PREMIUM -- Camilla, Duchess of Cornwall, right, holds flowers given to her by well wishers, after she and her husband Prince Charles arrived at the Independence Hall, in the center of Philidelphia on Saturday, Jan. 27, 2007. The Prince and Duchess arrived in the U.S. Friday, and will travel by train to New York City on Sunday where the Prince will receive the award of Global Environmental citizen, from former U.S. vice president Al Gore. (AP Photo/Pool, Arthur Edwards)