SOURCE: Giovanni Battista Piranesi. Vedute di Roma (Rome, [1747?-1788]), pl. 103 NOTES: The statues in the foreground are of Castor and Pollux and their horses. These are Roman copies of Greek originals of the 5th century BC found in the Baths of Constantine and placed here in the late 1580s. They were once known as the Horse-tamers and the square was named Monte Cavallo after them.
NOTES: Castel Sant'Angelo was originally constructed as a mausoleum for the Emperor Hadrian in 135-139 AD. The bridge, built at the same time to connect the mausoleum to the Campus Martius, was named Ponte Elio (Pons Aelius). When the mausoleum became a castle in 401 AD, it was renamed Castel Sant'Angelo and the bridge took the same name.
NOTES: The Monument to Vittorio Emanuele, also known as Altare della Patria, was designed by Giuseppe Sacconi in 1895, inaugurated in 1911, and completed in 1935.