The Ponte Sant'Angelo is an ancient Roman footbridge across the Tiber River with Baroque sculptures by Bernini and his students. The length of the structure is 135 meters, and the bridge itself is one of the oldest in Rome - it was built in the 2nd century BC. Emperor Hadrian as a crossing to his tomb on the other side of the Tiber. Hadrian's Mausoleum, known today as Castle of the Holy Angel, gave the name to the bridge, and the many angel sculptures helped cement the name among the townspeople. After the reconstruction and strengthening of the bridge in 1668, Bernini and his students created a new parapet with ten statues of angels, each of which personified the Savior's Passion on the Cross. In the hands of each angel is one of the instruments that caused the suffering of Christ. Many tourists tend to see it, as it offers a beautiful view of the Vatican and the surroundings of Rome.