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Title
Castel Sant'Angelo (Mausoleum of Hadrian), Rome. #77085126
Description
It is a towering cylindrical building in Parco Adriano, Rome, Italy. It was initially commissioned by the Roman Emperor Hadrian as a mausoleum for himself and his family. The building was later used by the popes as a fortress and castle, and is now a museum. The Castle was once the tallest building in Rome.