St. Paul's Cathedral is seen in the distance as the Olympic rings hang from the Tower Bridge, Thursday, July 19, 2012 in London. Opening ceremonies for the 2012 London Olympics will be held Friday, July 27. (AP Photo/Charlie Riedel)

Photo by: Charlie Riedel

St. Paul's Cathedral is seen in the distance as the Olympic rings hang from the Tower Bridge, Thursday, July 19, 2012 in London. Opening ceremonies for the 2012 London Olympics will be held Friday, July 27. (AP Photo/Charlie Riedel)