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OpenStreetMaps
want to query tag #urbex, or find key abandon:
seach for gas-station example: https://overpass-turbo.eu/
<!-- This query looks for nodes, ways and relations with the given key/value combination. Choose your region and hit the Run button above! --> {{key=amenity}} {{value=fuel}} <osm-script output="json"> <union> <query type="node"> <has-kv k="{{key}}" v="{{value}}"/> <bbox-query {{bbox}}/> </query> <query type="way"> <has-kv k="{{key}}" v="{{value}}"/> <bbox-query {{bbox}}/> </query> <query type="relation"> <has-kv k="{{key}}" v="{{value}}"/> <bbox-query {{bbox}}/> </query> </union> <print mode="body"/> <recurse type="down"/> <print mode="skeleton"/> </osm-script>