London 2012 Olympic Rings Launched on River Thames

London Mayor Boris Johnson launched giant Olympic rings measuring 11 meters high and 25 meters wide on the River Thames, to mark 150 days until the start of 2012 Olympics.

The mayor also announced that the city will host a specially commissioned program of free cultural events to celebrate the Olympics and Paralympics and create "a summer like no other."

"From museums to theatre, and music to design, we have a reputation that is second to none and London's finest artists and organizations are producing an exceptional range of brand new cultural events that will add to the excitement of hosting the Games," Boris Johnson said.

The London Olympics will be held from July 27–Aug 12, 2012.