Britain's Prince William (L) walks with his fiancee, Kate Middleton, during their visit to Witton Country Park in Darwen, northern England April 11, 2011. A large crowd of well-wishers braved a downpour in northern England on Monday to cheer Prince William and Kate Middleton as they took part in their final official engagement before their wedding. [Photo/Agencies]

Greek presidential guards march in front of the monument of the Unknown Soldier at the Greek Parliament in Athens, April 11, 2011. [Photo/Agencies]