Dragon back roof of Casa Batllo, modernist building by Antoni Gaudi, UNESCO World Heritage Site, Passeig de Gracia, Barcelona, Catalonia (Catalunya), Spain, Europe

travel destination photography vertical colour image building exterior architecture europe day outdoors low angle view unesco world heritage site unesco barcelona catalonia catalonia spain spanish culture casa batllo international landmark famous place design art nouveau modern no people passeig de gracia roof detail architectural detail close up blue sky color image colour color outside tourist destination travel close up close up view architectural nobody no one no one low angle from below looking up landmark place of interest unesco world heritage sites world heritage site world heritage sites typically spanish traditional culture tradition traditional traditionally spanish european antoni gaudi