“It was built by a very structured society of hunter-gatherers, of a kind that became sedentary when resources permitted. That or it was made by one of the Neolithic populations that arrived here around 5,000 BC,” said archaeologist Yvan Pailler.

The monoliths that form the basis of the wall are similar to - but predate - the famous menhirs that dot the Brittany countryside and are associated with the Neolithic culture.

Very interesting.

If you want a lasting legacy, build a big wall

Some say it’s as large as OPs mom.