roman forum looking towards the colosseum in ancient rome, italy - 1st century bc - 賽佛魯斯凱旋門 幅插畫檔、美工圖案、卡通及圖標
theory of architecture: principles of proportion, arch of septimus severus, rome - 賽佛魯斯凱旋門 幅插畫檔、美工圖案、卡通及圖標藍圖, 羅馬, 草圖