Britain's Prince Charles walks the stair

Britain's Prince Charles walks the stairs in Rome's ancient forum during his visit at House of Augustus at Palatine hill in Rome on April 27, 2009. His wife Camilla, Duchess of Cornwall and Britain's Prince Charles attended a conference on the environment today at the Italian Parliament. Time is quickly running out in the battle against global warming, and history will judge the world's response to the crisis, Prince Charles of Britain told Italian lawmarkers. The 60-year-old heir to the British throne and Camilla also met Pope Benedict XVI. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP via Getty Images)