Valencia Town Hall Dome and other building architecture around the Plaza del Ayuntamiento, Valencia, Spain, Europe

Colourful houses at The Polygon, Bristol, England, United Kingdom, Europe

Your Rainbow Panorama, a circular skywalk with windows in the colors of the rainbow, by Olafur Eliasson, Danish-Icelandic artist, on the top of ARoS Aarhus Kunstmuseum, designed by Danish architects Schmidt Hammer Lassen, Aarhus, Jutland, Denmark, Europe

View of shops and architecture in town centre, Forio, Island of Ischia, Campania, Italy, Europe

Walls around the old town, Dubrovnik, Croatia, Europe