Brittany also had a substantial Bell Beaker population between about 4000 and 2000 BC, and it is believed that the great avenues at Carnac were created by members of that group.
Investigations at Carnac were undertaken in the mid-19th century by James Miln. There are several great visual websites illustrating the standing stones, linked below.
This glossary entry is part of the Dictionary of Archaeology. Sources for the term include the references listed on the front page of the Dictionary, and the websites listed in the sidebar.