surface: https://wiki.openstreetmap.org/wiki/RU:Key:surface

surface:grade: https://wiki.openstreetmap.org/wiki/RU:Proposed_features/Surface_Quality

smoothness: https://wiki.openstreetmap.org/wiki/RU:Key:smoothness

landcover: https://wiki.openstreetmap.org/wiki/Landcover

3D: https://wiki.openstreetmap.org/wiki/RU:Simple_3D_buildings

POI: http://catalog.openstreetmap.ru/

taginfo: https://taginfo.openstreetmap.org/