Casa Batllo, architect Antonio Gaudi, UNESCO World Heritage Site, Casa Amatller, Modernisme, Barcelona, Catalonia, Spain, Europe

travel destination photography horizontal colour image outdoors day building exterior architecture clear sky blue spanish culture unesco world heritage site casa amatller modernisme barcelona catalonia spain europe casa batllo international landmark famous place tree ornate facade residential building no people colour color image color outside tourist destination travel architectural nobody no one no one landmark place of interest unesco world heritage sites unesco world heritage site world heritage sites typically spanish traditional culture tradition traditional traditionally spanish european