Radical Anthropology @RadicalAnthro@c.im · activity timestamp last month Undersea wall off #Brittany's coast evokes the local 'sunken city' stories. Neolithic 7000 years agohttps://www.bbc.co.uk/news/articles/crk7lg1j146o Read more Read less Translate BBC News Huge undersea wall dating from 5000 BC found in France The 120 metre wall was either a fish-trap or a dyke for protection against rising sea-levels, archeologists believe. Reply Boost Quote You cannot quote this post Like More actions Copy link Flag this post Block