Media playback is unsupported on your device

Mont Saint Michel to be restored

21 August 2012 Last updated at 10:15 BST

One of the biggest tourist attractions in France, Mont Saint Michel, is being restored.

The giant granite rock is situated a kilometre off the Normandy coast.

Scientists are working with engineers to remove the silt that has built up, but the project is proving divisive with local residents and businesses.

Christian Fraser reports.