Ertai is a locality and its consensus geometry is derived from geonames.
{"gn:population":0,"geom:latitude":41.85398,"gn:name":"Ertai","wof:name":"Ertai","counts:names_total":1,"gn:feature_code":"PPL","gn:feature_class":"P","mz:is_current":-1,"wof:hierarchy":[{"continent_id":102191569,"country_id":85632695,"county_id":890514397,"empire_id":136253041,"locality_id":1276835221,"region_id":85669807}],"gn:dem":103,"mz:min_zoom":12,"lbl:min_zoom":13.5,"geom:area":0,"gn:latitude":41.85398,"gn:asciiname":"Ertai","lbl:bbox":"121.90462,41.83398,121.94462,41.87398","counts:concordances_total":1,"gn:country_code":"CN","geom:type":"Point","wof:lastmodified":1566677123,"gn:admin1_code":"19.0","wof:belongsto":[85669807,102191569,85632695,136253041,890514397],"wof:repo":"whosonfirst-data-admin-cn","wof:country":"CN","counts:names_preferred":1,"geom:area_square_m":0,"counts:names_variant":0,"wof:breaches":[],"edtf:inception":"uuuu","iso:country":"CN","geom:bbox":"121.92462,41.85398,121.92462,41.85398","wof:superseded_by":[],"wof:geomhash":"31d466083858ecdeb372f12c9c39affc","wof:placetype_id":102312317,"mz:is_ceased":0,"lbl:max_zoom":18,"wof:placetype":"locality","name:zho_x_preferred":["二台"],"gn:longitude":121.92462,"mz:is_deprecated":0,"gn:modification_date":"2012-01-21","geom:longitude":121.92462,"wof:id":1276835221,"wof:concordances":{"gn:id":7399993},"src:geom":"geonames","gn:geonameid":7399993,"wof:tags":[],"counts:names_languages":1,"wof:supersedes":[],"wof:parent_id":890514397,"wof:placetype_names":["locality"],"mz:hierarchy_label":1,"gn:timezone":"Asia/Shanghai","edtf:cessation":"uuuu"}