Children climb onto a sculpture of Olympic mascot named Wenlock, on the south bank of the River Thames in London, Saturday, July 21, 2012, one of many Olympic symbols which are currently decorating the London tourist sights. Large numbers of tourists are in London as the city prepares for the upcoming London 2012 Olympic Games, with less than a week until the start of the sports event. (AP Photo/Cassandra Vinograd)