angles architecture background beams building ceiling curved elements England english girders glass Great Britain iron London modern reflections rivets roof skyscraper steel strength strong structural structure struts symmetrical symmetry walkietalkie windows cemetery cloud clouds cross crosses dead death eu galicia grave graveyard gray in peace places pontevedra religion religious rest saavem sky Spain tomb tombs white yard abstract appearance architectural barrier color colour corrugated corrugations external galvanised galvanized metal perspectives raised rounded smooth surface surfaces texture textures variations wall architectural-elements bell-tower bells blue circular city distinctive height high round stairs steps street street-scene tall tourism tourists tower