The Colosseum is close to 2,000 years old and feeling its age. Begun in 72 AD, the Colosseum, or Flavian Amphitheatre, is considered one of the greatest works of Roman architecture and engineering.

The restoration is not limited to St. Peter's. Other areas of Rome, such as the Colosseum and the Trevi Fountain, are undergoing similar clean-up efforts ahead of the expected 35 million visitors ...