Answer :
Final answer:
The ruins of the mausoleum of Emperor Hadrian were built on to create Castel Sant'Angelo in Rome. Option B
Explanation:
The correct answer is B. Castel Sant'Angelo.
Castel Sant'Angelo, also known as the Mausoleum of Hadrian, was originally built as a mausoleum for the Roman Emperor Hadrian in 139 AD. However, over the years, it has served multiple purposes and undergone various renovations. Today, it functions as a museum and a fortress.
The mausoleum of Emperor Hadrian was located on the right bank of the Tiber River, near the Vatican City in Rome. Its construction was inspired by the Mausoleum of Augustus and is known for its cylindrical shape and elaborate decorations.
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