General view of the under construction stage for a concert on the Queen Victoria Memorial statue near Buckingham Palace in London, on May 22, 2012, ahead of Queen Elizabeth II's Diamond Jubilee celebrations. Queen Elizabeth II's Diamond Jubilee, celebrating 60 years on the throne, will climax in a long weekend of events including a 1000 craft river pageant, a concert outside Buckingham Palace and a carriage procession and fly past.