Hadrian's Wall to mark Olympics

Hadrian's Wall will be illuminated by hundreds of coloured balloons to mark the Olympics. The artwork will trace the route of the wall from Tyneside to the Solway.

The balloons will be lit by LED lights which will change colour. The event will take place between 31st August and 1st September. People will be able to follow events on a dedicated website. Those behind it say there's much to get excited about.