Facade of Casa Battlo, designed by Antoni Gaudi, on Passeig de Gracia, UNESCO World Heritage Site, Barcelona, Catalonia, Spain, Europe

vertical color image travel destinations travel low angle view outdoors day building architecture no people spain europe passeig de gracia casa battlo barcelona spain catalonia window intricacy ornate mural past history art mosaic tiling column support shutters balcony railings human representation human skull human bone sculpture unesco unesco world heritage site travel destination tourist destination tourist destinations outdoor outside nobody no one no person daytime columns pillar pillars buildings colour image color colour architectural