Path, Flagstone, Crypt, Slate, Archaeology, Dungeon, Architecture, Building, Sidewalk, Pavement, Bunker, Wall, Arch, Arched, europe, portugal, alentejo, ouguela, landmark, castelo, castle, fort, village, town, gate, wall, building, gathering, landmass, dwelling, district, barrier, military post, house, housing, facility, community, settlement, european country, palace, small town, mansion, military installation, garrison, urban area