Olympic Rings On Tower Bridge

27 June 2012, 10:25 | Updated: 27 June 2012, 11:56

As the preparations continue for the Olympics, with just a month to go now, giant Olympic rings have been lowered into position at Tower Bridge.

This evening, using the bridge's new, energy-efficient lighting system, the rings will be lit up.

They'll also be lit up every night during the Games.