Singing chimneys, The Pop Girls, on the roof of La Pedrera (Casa Mila), an apartment block on Passeig de Gracia, designed by Antonio Gaudi, UNESCO World Heritage Site, Barcelona, Catalunya, Spain, Europe

travel destination photography horizontal chimneys the pop girls roof la pedrera casa mila apartment block passeig de gracia unesco world heritage site barcelona catalonia spain europe outdoors day dayime national landmark building exterior architecture modern place of interest ornate traditionally spanish nobody anthropomorphic face traditionally spanish city life front view repetition creativity colour image colour color image color outside travel destinations travel architectural horizon horizons no one no one landmark unesco world heritage site unesco world heritage sites unesco world heritage site world heritage sites arch arches arched cities tradition traditional typically spain spain culture stereotypical traditional culture traditionally stereotypically spain traditionally spain