Drivers can only travel on it twice a day for a few hours before its flooded.
Thanks to the rising tide, the Passage du Gois is mostly hidden beneath 4 to 13-foot waves.
Long ago, the only way to reach Noirmoutier was by boat.
Because of the high waters, the Passage du Gois is generally unsafe for travel.
Safeguardsspecial panelsare in place to tell people if the road is drivable.
But, every year there are those who disregard these warnings and get trapped among the rising tide.
Their cars, though?
