France, Aug. 24 -- Some 500 kilometres west of Paris, on Brittany's Atlantic coast, stand the mysterious prehistoric stone alignments of Morbihan - now on Unesco's World Heritage list. RFI went to see why the ancient site still casts a spell on visitors.

The best known structures are in the town of Carnac, where nearly 3,600 stones stretch in long rows across six kilometres of land. They were erected about 7,000 years ago.

Carnac's mayor Olivier Lepick called them "the first experience of human-built structures". He says the Unesco labelwill help protect the site and attract more visitors.

Tourists already come in summer for the beaches, but Lepick expects the recognition to bring people year-round.

"They will also come in the spring an...