The closing ceremony of the 2012 Olympics will be streamed live online. Here are fireworks illuminating the sky after the Olympic cauldron was lit during the opening ceremony Saturday, July 28, 2012, in London.  (AP Photo/Leon Neal, Pool)

Photo by: Leon Neal

The closing ceremony of the 2012 Olympics will be streamed live online. Here are fireworks illuminating the sky after the Olympic cauldron was lit during the opening ceremony Saturday, July 28, 2012, in London. (AP Photo/Leon Neal, Pool)