Antoni Gaudi's Casa Batllo building, UNESCO World Heritage Site, Barcelona, Catalonia, Spain, Europe

travel destination photography horizontal colour image casa batllo building unesco world heritage site barcelona catalonia spain europe outdoors building exterior architecture famous place day tree no people spanish culture ornate low angle view facade international landmark colour color image color outside tourist destination travel architectural nobody no one no one low angle from below looking up landmark place of interest unesco world heritage sites unesco world heritage site world heritage sites typically spanish traditional culture tradition traditional traditionally spanish