Rooftop of Palau Guell, a mansion designed by architect Antoni Gaudi for the tycoon Eusebi Guell, UNESCO World Heritage Site, El Ravel neighbourhood, Barcelona, Catalonia, Spain, Europe

vertical color image travel destinations travel low angle view outdoors day copy space clear sky sky building architecture no people spain europe barcelona spain catalonia palau guell el ravel mansion luxury wealth majestic building exterior roof spire mosaic ornate intricacy tiling colorful striped brick wall past history unesco unesco world heritage site travel destination tourist destination tourist destinations outdoor outside nobody no one no person daytime buildings colour image color colour architectural