A couple wearing masks featuring Prince William and his fiancee Kate Middleton pose for a photo in front of the Buckingham Palace in central London, Britain, April 28, 2011. Spectators from all over the world started camping along the route days ahead of the wedding of Prince William and his fiancee Kate Middleton, which falls on April 29, to ensure their spot to witness the event. (Xinhua/Bimal Gautam)