diff --git a/example-mapping.yml b/example-mapping.yml
new file mode 100644
index 0000000..d199309
--- /dev/null
+++ b/example-mapping.yml
@@ -0,0 +1,616 @@
+generalized_tables:
+  landusages_gen0:
+    source: landusages_gen1
+    sql_filter: ST_Area(geometry)>500000.000000
+    tolerance: 200.0
+  landusages_gen1:
+    source: landusages
+    sql_filter: ST_Area(geometry)>50000.000000
+    tolerance: 50.0
+  roads_gen0:
+    source: roads_gen1
+    sql_filter: null
+    tolerance: 200.0
+  roads_gen1:
+    source: roads
+    sql_filter: type IN ('motorway', 'motorway_link', 'trunk', 'trunk_link', 'primary',
+      'primary_link', 'secondary', 'secondary_link', 'tertiary', 'tertiary_link')
+      OR class IN('railway')
+    tolerance: 50.0
+  waterareas_gen0:
+    source: waterareas_gen1
+    sql_filter: ST_Area(geometry)>500000.000000
+    tolerance: 200.0
+  waterareas_gen1:
+    source: waterareas
+    sql_filter: ST_Area(geometry)>50000.000000
+    tolerance: 50.0
+  waterways_gen0:
+    source: waterways_gen1
+    sql_filter: null
+    tolerance: 200
+  waterways_gen1:
+    source: waterways
+    sql_filter: null
+    tolerance: 50.0
+tables:
+  admin:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: admin_level
+      name: admin_level
+      type: integer
+    mapping:
+      boundary:
+      - administrative
+    type: polygon
+  aeroways:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      aeroway:
+      - runway
+      - taxiway
+    type: linestring
+  amenities:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      amenity:
+      - university
+      - school
+      - library
+      - fuel
+      - hospital
+      - fire_station
+      - police
+      - townhall
+    type: point
+  barrierpoints:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      barrier:
+      - block
+      - bollard
+      - cattle_grid
+      - chain
+      - cycle_barrier
+      - entrance
+      - horse_stile
+      - gate
+      - spikes
+      - lift_gate
+      - kissing_gate
+      - fence
+      - 'yes'
+      - wire_fence
+      - toll_booth
+      - stile
+    type: point
+  barrierways:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      barrier:
+      - city_wall
+      - fence
+      - hedge
+      - retaining_wall
+      - wall
+      - bollard
+      - gate
+      - spikes
+      - lift_gate
+      - kissing_gate
+      - embankment
+      - 'yes'
+      - wire_fence
+    type: linestring
+  buildings:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      building:
+      - __any__
+    type: polygon
+  housenumbers:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: addr:street
+      name: addr:street
+      type: string
+    - key: addr:postcode
+      name: addr:postcode
+      type: string
+    - key: addr:city
+      name: addr:city
+      type: string
+    mapping:
+      addr:housenumber:
+      - __any__
+    type: point
+  housenumbers_interpolated:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: addr:street
+      name: addr:street
+      type: string
+    - key: addr:postcode
+      name: addr:postcode
+      type: string
+    - key: addr:city
+      name: addr:city
+      type: string
+    - key: addr:inclusion
+      name: addr:inclusion
+      type: string
+    mapping:
+      addr:interpolation:
+      - __any__
+    type: linestring
+  landusages:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: null
+      name: area
+      type: pseudoarea
+    - args:
+        ranks:
+        - pedestrian
+        - footway
+        - playground
+        - park
+        - forest
+        - cemetery
+        - farmyard
+        - farm
+        - farmland
+        - wood
+        - meadow
+        - grass
+        - wetland
+        - village_green
+        - recreation_ground
+        - garden
+        - sports_centre
+        - pitch
+        - common
+        - allotments
+        - golf_course
+        - university
+        - school
+        - college
+        - library
+        - baracks
+        - fuel
+        - parking
+        - nature_reserve
+        - cinema
+        - theatre
+        - place_of_worship
+        - hospital
+        - scrub
+        - orchard
+        - vineyard
+        - zoo
+        - quarry
+        - residential
+        - retail
+        - commercial
+        - industrial
+        - railway
+        - heath
+        - island
+        - land
+      key: z_order
+      name: z_order
+      type: zorder
+    mapping:
+      aeroway:
+      - runway
+      - taxiway
+      amenity:
+      - university
+      - school
+      - college
+      - library
+      - fuel
+      - parking
+      - cinema
+      - theatre
+      - place_of_worship
+      - hospital
+      barrier:
+      - hedge
+      highway:
+      - pedestrian
+      - footway
+      landuse:
+      - park
+      - forest
+      - residential
+      - retail
+      - commercial
+      - industrial
+      - railway
+      - cemetery
+      - grass
+      - farmyard
+      - farm
+      - farmland
+      - orchard
+      - vineyard
+      - wood
+      - meadow
+      - village_green
+      - recreation_ground
+      - allotments
+      - quarry
+      leisure:
+      - park
+      - garden
+      - playground
+      - golf_course
+      - sports_centre
+      - pitch
+      - stadium
+      - common
+      - nature_reserve
+      man_made:
+      - pier
+      military:
+      - barracks
+      natural:
+      - wood
+      - land
+      - scrub
+      - wetland
+      - heath
+      place:
+      - island
+      tourism:
+      - zoo
+    type: polygon
+  places:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - args:
+        ranks:
+        - country
+        - state
+        - region
+        - county
+        - city
+        - town
+        - village
+        - hamlet
+        - suburb
+        - locality
+      key: z_order
+      name: z_order
+      type: zorder
+    - key: population
+      name: population
+      type: integer
+    mapping:
+      place:
+      - country
+      - state
+      - region
+      - county
+      - city
+      - town
+      - village
+      - hamlet
+      - suburb
+      - locality
+    type: point
+  roads:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: null
+      name: type
+      type: mapping_value
+    - key: name
+      name: name
+      type: string
+    - key: tunnel
+      name: tunnel
+      type: boolint
+    - key: bridge
+      name: bridge
+      type: boolint
+    - key: oneway
+      name: oneway
+      type: direction
+    - key: ref
+      name: ref
+      type: string
+    - key: layer
+      name: z_order
+      type: wayzorder
+    - key: access
+      name: access
+      type: string
+    - key: service
+      name: service
+      type: string
+    - key: null
+      name: class
+      type: mapping_key
+    filters:
+      exclude_tags:
+      - - area
+        - 'yes'
+    mappings:
+      railway:
+        mapping:
+          railway:
+          - rail
+          - tram
+          - light_rail
+          - subway
+          - narrow_gauge
+          - preserved
+          - funicular
+          - monorail
+          - disused
+      roads:
+        mapping:
+          highway:
+          - motorway
+          - motorway_link
+          - trunk
+          - trunk_link
+          - primary
+          - primary_link
+          - secondary
+          - secondary_link
+          - tertiary
+          - tertiary_link
+          - road
+          - path
+          - track
+          - service
+          - footway
+          - bridleway
+          - cycleway
+          - steps
+          - pedestrian
+          - living_street
+          - unclassified
+          - residential
+          - raceway
+          man_made:
+          - pier
+          - groyne
+    type: linestring
+  transport_areas:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      aeroway:
+      - aerodrome
+      - terminal
+      - helipad
+      - apron
+      railway:
+      - station
+      - platform
+    type: polygon
+  transport_points:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: ref
+      name: ref
+      type: string
+    mapping:
+      aeroway:
+      - aerodrome
+      - terminal
+      - helipad
+      - gate
+      highway:
+      - motorway_junction
+      - turning_circle
+      - bus_stop
+      railway:
+      - station
+      - halt
+      - tram_stop
+      - crossing
+      - level_crossing
+      - subway_entrance
+    type: point
+  waterareas:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: null
+      name: area
+      type: pseudoarea
+    mapping:
+      amenity:
+      - swimming_pool
+      landuse:
+      - basin
+      - reservoir
+      leisure:
+      - swimming_pool
+      natural:
+      - water
+      waterway:
+      - riverbank
+    type: polygon
+  waterways:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      barrier:
+      - ditch
+      waterway:
+      - stream
+      - river
+      - canal
+      - drain
+      - ditch
+    type: linestring
diff --git a/mapping/config.go b/mapping/config.go
index 0900482..873c607 100644
--- a/mapping/config.go
+++ b/mapping/config.go
@@ -1,41 +1,42 @@
 package mapping
 
 import (
-	"encoding/json"
 	"errors"
-	"os"
+	"io/ioutil"
 
 	"github.com/omniscale/imposm3/element"
+
+	"gopkg.in/yaml.v2"
 )
 
 type Field struct {
-	Name string                 `json:"name"`
-	Key  Key                    `json:"key"`
-	Keys []Key                  `json:"keys"`
-	Type string                 `json:"type"`
-	Args map[string]interface{} `json:"args"`
+	Name string                 `yaml:"name"`
+	Key  Key                    `yaml:"key"`
+	Keys []Key                  `yaml:"keys"`
+	Type string                 `yaml:"type"`
+	Args map[string]interface{} `yaml:"args"`
 }
 
 type Table struct {
 	Name         string
-	Type         TableType             `json:"type"`
-	Mapping      map[Key][]Value       `json:"mapping"`
-	Mappings     map[string]SubMapping `json:"mappings"`
-	TypeMappings TypeMappings          `json:"type_mappings"`
-	Fields       []*Field              `json:"columns"` // TODO rename Fields internaly to Columns
-	OldFields    []*Field              `json:"fields"`
-	Filters      *Filters              `json:"filters"`
+	Type         TableType             `yaml:"type"`
+	Mapping      map[Key][]Value       `yaml:"mapping"`
+	Mappings     map[string]SubMapping `yaml:"mappings"`
+	TypeMappings TypeMappings          `yaml:"type_mappings"`
+	Fields       []*Field              `yaml:"columns"` // TODO rename Fields internaly to Columns
+	OldFields    []*Field              `yaml:"fields"`
+	Filters      *Filters              `yaml:"filters"`
 }
 
 type GeneralizedTable struct {
 	Name            string
-	SourceTableName string  `json:"source"`
-	Tolerance       float64 `json:"tolerance"`
-	SqlFilter       string  `json:"sql_filter"`
+	SourceTableName string  `yaml:"source"`
+	Tolerance       float64 `yaml:"tolerance"`
+	SqlFilter       string  `yaml:"sql_filter"`
 }
 
 type Filters struct {
-	ExcludeTags *[][2]string `json:"exclude_tags"`
+	ExcludeTags *[][]string `yaml:"exclude_tags"`
 }
 
 type Tables map[string]*Table
@@ -43,17 +44,17 @@ type Tables map[string]*Table
 type GeneralizedTables map[string]*GeneralizedTable
 
 type Mapping struct {
-	Tables            Tables            `json:"tables"`
-	GeneralizedTables GeneralizedTables `json:"generalized_tables"`
-	Tags              Tags              `json:"tags"`
+	Tables            Tables            `yaml:"tables"`
+	GeneralizedTables GeneralizedTables `yaml:"generalized_tables"`
+	Tags              Tags              `yaml:"tags"`
 	// SingleIdSpace mangles the overlapping node/way/relation IDs
 	// to be unique (nodes positive, ways negative, relations negative -1e17)
-	SingleIdSpace bool `json:"use_single_id_space"`
+	SingleIdSpace 	  bool 				`yaml:"use_single_id_space"`
 }
 
 type Tags struct {
-	LoadAll bool  `json:"load_all"`
-	Exclude []Key `json:"exclude"`
+	LoadAll bool  `yaml:"load_all"`
+	Exclude []Key `yaml:"exclude"`
 }
 
 type SubMapping struct {
@@ -61,9 +62,9 @@ type SubMapping struct {
 }
 
 type TypeMappings struct {
-	Points      map[Key][]Value `json:"points"`
-	LineStrings map[Key][]Value `json:"linestrings"`
-	Polygons    map[Key][]Value `json:"polygons"`
+	Points      map[Key][]Value `yaml:"points"`
+	LineStrings map[Key][]Value `yaml:"linestrings"`
+	Polygons    map[Key][]Value `yaml:"polygons"`
 }
 
 type ElementFilter func(tags *element.Tags) bool
@@ -103,15 +104,13 @@ const (
 )
 
 func NewMapping(filename string) (*Mapping, error) {
-	f, err := os.Open(filename)
+	f, err := ioutil.ReadFile(filename)
 	if err != nil {
 		return nil, err
 	}
-	defer f.Close()
-	decoder := json.NewDecoder(f)
 
 	mapping := Mapping{}
-	err = decoder.Decode(&mapping)
+	err = yaml.Unmarshal(f, &mapping)
 	if err != nil {
 		return nil, err
 	}
diff --git a/mapping/filter_test.go b/mapping/filter_test.go
index 1568a95..62b19d6 100644
--- a/mapping/filter_test.go
+++ b/mapping/filter_test.go
@@ -11,7 +11,7 @@ var mapping *Mapping
 
 func init() {
 	var err error
-	mapping, err = NewMapping("./test_mapping.json")
+	mapping, err = NewMapping("./test_mapping.yml")
 	if err != nil {
 		panic(err)
 	}
diff --git a/mapping/matcher_test.go b/mapping/matcher_test.go
index b7d101d..57d8bd5 100644
--- a/mapping/matcher_test.go
+++ b/mapping/matcher_test.go
@@ -7,7 +7,7 @@ import (
 )
 
 func BenchmarkTagMatch(b *testing.B) {
-	m, err := NewMapping("matcher_test_mapping.json")
+	m, err := NewMapping("matcher_test_mapping.yml")
 	if err != nil {
 		b.Fatal(err)
 	}
@@ -38,7 +38,7 @@ func makeMemberRole(id int64, tags element.Tags, role string) element.Member {
 }
 
 func TestSelectRelationPolygonsSimple(t *testing.T) {
-	mapping, err := NewMapping("test_mapping.json")
+	mapping, err := NewMapping("test_mapping.yml")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -63,7 +63,7 @@ func TestSelectRelationPolygonsSimple(t *testing.T) {
 }
 
 func TestSelectRelationPolygonsUnrelatedTags(t *testing.T) {
-	mapping, err := NewMapping("test_mapping.json")
+	mapping, err := NewMapping("test_mapping.yml")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -86,7 +86,7 @@ func TestSelectRelationPolygonsUnrelatedTags(t *testing.T) {
 }
 
 func TestSelectRelationPolygonsMultiple(t *testing.T) {
-	mapping, err := NewMapping("test_mapping.json")
+	mapping, err := NewMapping("test_mapping.yml")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -112,7 +112,7 @@ func TestSelectRelationPolygonsMultiple(t *testing.T) {
 }
 
 func TestSelectRelationPolygonsMultipleTags(t *testing.T) {
-	mapping, err := NewMapping("test_mapping.json")
+	mapping, err := NewMapping("test_mapping.yml")
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -134,7 +134,7 @@ func TestSelectRelationPolygonsMultipleTags(t *testing.T) {
 }
 
 func TestSelectRelationPolygonsMultipleTagsOnWay(t *testing.T) {
-	mapping, err := NewMapping("test_mapping.json")
+	mapping, err := NewMapping("test_mapping.yml")
 	if err != nil {
 		t.Fatal(err)
 	}
diff --git a/mapping/test_mapping.yml b/mapping/test_mapping.yml
new file mode 100644
index 0000000..a3b1d79
--- /dev/null
+++ b/mapping/test_mapping.yml
@@ -0,0 +1,607 @@
+generalized_tables:
+  landusages_gen0:
+    source: landusages_gen1
+    sql_filter: ST_Area(geometry)>500000.000000
+    tolerance: 200.0
+  landusages_gen1:
+    source: landusages
+    sql_filter: ST_Area(geometry)>50000.000000
+    tolerance: 50.0
+  roads_gen0:
+    source: roads_gen1
+    sql_filter: null
+    tolerance: 200.0
+  roads_gen1:
+    source: roads
+    sql_filter: type IN ('motorway', 'motorway_link', 'trunk', 'trunk_link', 'primary',
+      'primary_link', 'secondary', 'secondary_link', 'tertiary', 'tertiary_link')
+      OR class IN('railway')
+    tolerance: 50.0
+  waterareas_gen0:
+    source: waterareas_gen1
+    sql_filter: ST_Area(geometry)>500000.000000
+    tolerance: 200.0
+  waterareas_gen1:
+    source: waterareas
+    sql_filter: ST_Area(geometry)>50000.000000
+    tolerance: 50.0
+  waterways_gen0:
+    source: waterways_gen1
+    sql_filter: null
+    tolerance: 200
+  waterways_gen1:
+    source: waterways
+    sql_filter: null
+    tolerance: 50.0
+tables:
+  admin:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: admin_level
+      name: admin_level
+      type: integer
+    mapping:
+      boundary:
+      - administrative
+    type: polygon
+  aeroways:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      aeroway:
+      - runway
+      - taxiway
+    type: linestring
+  amenities:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      amenity:
+      - university
+      - school
+      - library
+      - fuel
+      - hospital
+      - fire_station
+      - police
+      - townhall
+    type: point
+  amenity_areas:
+    _comment: for testing duplicate inserts with __any__ and exact match
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      building:
+      - shop
+    type: polygon
+  barrierpoints:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      barrier:
+      - block
+      - bollard
+      - cattle_grid
+      - chain
+      - cycle_barrier
+      - entrance
+      - horse_stile
+      - gate
+      - spikes
+      - lift_gate
+      - kissing_gate
+      - fence
+      - 'yes'
+      - wire_fence
+      - toll_booth
+      - stile
+    type: point
+  barrierways:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      barrier:
+      - city_wall
+      - fence
+      - hedge
+      - retaining_wall
+      - wall
+      - bollard
+      - gate
+      - spikes
+      - lift_gate
+      - kissing_gate
+      - embankment
+      - 'yes'
+      - wire_fence
+    type: linestring
+  buildings:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      building:
+      - __any__
+    type: polygon
+  housenumbers:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: addr:street
+      name: addr:street
+      type: string
+    - key: addr:postcode
+      name: addr:postcode
+      type: string
+    - key: addr:city
+      name: addr:city
+      type: string
+    mapping:
+      addr:housenumber:
+      - __any__
+    type: point
+  housenumbers_interpolated:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: addr:street
+      name: addr:street
+      type: string
+    - key: addr:postcode
+      name: addr:postcode
+      type: string
+    - key: addr:city
+      name: addr:city
+      type: string
+    - key: addr:inclusion
+      name: addr:inclusion
+      type: string
+    mapping:
+      addr:interpolation:
+      - __any__
+    type: linestring
+  landusages:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: null
+      name: area
+      type: pseudoarea
+    - args:
+        ranks:
+        - pedestrian
+        - footway
+        - playground
+        - park
+        - forest
+        - cemetery
+        - farmyard
+        - farm
+        - farmland
+        - wood
+        - meadow
+        - grass
+        - wetland
+        - village_green
+        - recreation_ground
+        - garden
+        - sports_centre
+        - pitch
+        - common
+        - allotments
+        - golf_course
+        - university
+        - school
+        - college
+        - library
+        - baracks
+        - fuel
+        - parking
+        - nature_reserve
+        - cinema
+        - theatre
+        - place_of_worship
+        - hospital
+        - scrub
+        - orchard
+        - vineyard
+        - zoo
+        - quarry
+        - residential
+        - retail
+        - commercial
+        - industrial
+        - railway
+        - heath
+        - island
+        - land
+      key: z_order
+      name: z_order
+      type: zorder
+    mapping:
+      aeroway:
+      - runway
+      - taxiway
+      amenity:
+      - university
+      - school
+      - college
+      - library
+      - fuel
+      - parking
+      - cinema
+      - theatre
+      - place_of_worship
+      - hospital
+      barrier:
+      - hedge
+      highway:
+      - pedestrian
+      - footway
+      landuse:
+      - park
+      - forest
+      - residential
+      - retail
+      - commercial
+      - industrial
+      - railway
+      - cemetery
+      - grass
+      - farmyard
+      - farm
+      - farmland
+      - orchard
+      - vineyard
+      - wood
+      - meadow
+      - village_green
+      - recreation_ground
+      - allotments
+      - quarry
+      leisure:
+      - park
+      - garden
+      - playground
+      - golf_course
+      - sports_centre
+      - pitch
+      - stadium
+      - common
+      - nature_reserve
+      man_made:
+      - pier
+      military:
+      - barracks
+      natural:
+      - wood
+      - water
+      - land
+      - scrub
+      - wetland
+      - heath
+      place:
+      - island
+      tourism:
+      - zoo
+      waterway:
+      - riverbank
+    type: polygon
+  places:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - args:
+        ranks:
+        - country
+        - state
+        - region
+        - county
+        - city
+        - town
+        - village
+        - hamlet
+        - suburb
+        - locality
+      key: z_order
+      name: z_order
+      type: zorder
+    - key: population
+      name: population
+      type: integer
+    mapping:
+      place:
+      - country
+      - state
+      - region
+      - county
+      - city
+      - town
+      - village
+      - hamlet
+      - suburb
+      - locality
+    type: point
+  roads:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: null
+      name: type
+      type: mapping_value
+    - key: name
+      name: name
+      type: string
+    - key: tunnel
+      name: tunnel
+      type: boolint
+    - key: bridge
+      name: bridge
+      type: boolint
+    - key: oneway
+      name: oneway
+      type: direction
+    - key: ref
+      name: ref
+      type: string
+    - key: layer
+      name: z_order
+      type: wayzorder
+    - key: access
+      name: access
+      type: string
+    - key: service
+      name: service
+      type: string
+    - key: null
+      name: class
+      type: mapping_key
+    filters:
+      exclude_tags:
+      - ["area", "yes"]
+    mappings:
+      railway:
+        mapping:
+          railway:
+          - rail
+          - tram
+          - light_rail
+          - subway
+          - narrow_gauge
+          - preserved
+          - funicular
+          - monorail
+          - disused
+      roads:
+        mapping:
+          highway:
+          - motorway
+          - motorway_link
+          - trunk
+          - trunk_link
+          - primary
+          - primary_link
+          - secondary
+          - secondary_link
+          - tertiary
+          - tertiary_link
+          - road
+          - path
+          - track
+          - service
+          - footway
+          - bridleway
+          - cycleway
+          - steps
+          - pedestrian
+          - living_street
+          - unclassified
+          - residential
+          - raceway
+          man_made:
+          - pier
+          - groyne
+    type: linestring
+  transport_areas:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      aeroway:
+      - aerodrome
+      - terminal
+      - helipad
+      - apron
+      railway:
+      - station
+      - platform
+    type: polygon
+  transport_points:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    - key: ref
+      name: ref
+      type: string
+    mapping:
+      aeroway:
+      - aerodrome
+      - terminal
+      - helipad
+      - gate
+      highway:
+      - motorway_junction
+      - turning_circle
+      - bus_stop
+      railway:
+      - station
+      - halt
+      - tram_stop
+      - crossing
+      - level_crossing
+      - subway_entrance
+    type: point
+  waterways:
+    fields:
+    - key: null
+      name: osm_id
+      type: id
+    - key: null
+      name: geometry
+      type: geometry
+    - key: name
+      name: name
+      type: string
+    - key: null
+      name: type
+      type: mapping_value
+    mapping:
+      barrier:
+      - ditch
+      waterway:
+      - stream
+      - river
+      - canal
+      - drain
+      - ditch
+    type: linestring