View of the Propylaea, the principal gateway to The Acropolis, UNESCO World Heritage Site, Athens, Greece, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside background people incidental people people in the background travel travel destination travel destinations tourist destination history historical historic heritage landmark landmarks famous well known well known acropolis propylaea gateway acropolis of athens unesco unesco world heritage site world heritage site athens greece greek europe european building exterior building buildings architecture architectural antiquity ancient civilization greek civilization old ruin ruins ruined old ruins remains column archaeological site doric column diminishing perspective vanishing point perspective view through arch arches arched stone