Tide turns Mont-Saint-Michel into an island

High tides temporarily turned Mont-Saint-Michel in France into an island on Monday.

The phenomenon, which can take place up to 20 times a year, saw the World Heritage site cut off from the mainland for several hours, as the 760m curving bridge - opened in 2014 - to the island flooded, as it is designed to do.

Read more: Secret history of France: Mont St Michel