This is the infamous Roman Colosseum. It has the characteristic half-collapsed-in-an-old-earthquake side. This thing must have been amazing to watch shows in when it was freshly built.
羅馬競技場
architecture、building、Coliseum、Colosseum、Flavian Amphitheatre、Italian、Italy、Roman、spot、tourist
建築、建造、體育館、鬥獸場、弗拉維安圓形劇場、意大利、意大利、羅馬、點、遊客
資料來源：openclipart ( https://openclipart.org/ )