[{"osm_id":467379972,"feat_type":"way","key":"level","value":-1,"commentary":"according to wiki it may be used only for indoor or if bound to a floor..."},{"osm_id":561833542,"feat_type":"way","key":"level","value":0,"commentary":"according to wiki it may be used only for indoor or if bound to a floor..."},{"osm_id":674441691,"feat_type":"way","key":"level","value":1,"commentary":"according to wiki it may be used only for indoor or if bound to a floor..."},{"osm_id":1103770665,"feat_type":"way","key":"level","value":1,"commentary":"according to wiki it may be used only for indoor or if bound to a floor..."}]