Mausoleum of Hadrian (Castel Sant'Angelo), UNESCO World Heritage Site, Rome, Lazio, Italy, 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 hadrian's tomb unesco unesco world heritage site world heritage site rome lazio italy italian europe european building exterior building buildings architecture architectural antiquity roman civilization ancient ancient rome stone landmark landmarks famous well known well known ancient monument archaeological ancient culture urban scene urban scenes urban 1st century mausoleum of hadrian castel sant'angelo tower cylindrical mausoleum museum art culture and entertainment tree doorway entrance