Specialists believe the structure was was built around 1380.

The news came as a shock to most of France.

Here's what we're reading this morning.

A retired French couple who sold an African mask to a secondhand goods dealer for €150 (£130) have gone to court for a share of the proceeds.

"As fair organizers, the safety of our exhibitors, visitors and staff is of the utmost importance," chief executive Noah Horowitz said in a statement.

Prosecutors rejected the idea that the act was an example of "freedom of expression."

Officially signed into law in late July, the legislation was historic.

The new law streamlines the country's laborious process for restitution.

The mayor of Carnac, Olivier Lepick, told AFP that those stones in particular were "of low archaeological value."

Building a new home is a daunting enough task without the past throwing a spanner in the works.