The Prince of Wales and Duchess of Cornwall became the royals in the ruins, as they were shown around the Great Pyramids of Giza today during the first day of their visit to Egypt.Charles, 73, and Camilla, 74, walked arm in arm as they were given a personal tour around one of the seven wonders of the ancient world, as the sun slowly set behind them over the desert. Following this, they then proceeded to tour the Sphinx.