The Colosseum, Pula, Istria, Croatia, Europe

photography colour colour image color color image horizontal horizontal image outdoors outside day nobody no one no one tourist destination travel travel destination travel destinations the colosseum pula arena amphitheatre amphitheatres pula istria croatia croatian europe european building exterior building buildings building interior building interiors interior interiors architecture architectural history historical historic heritage roman ancient monument limestone landmark landmarks famous well known well known antiquity