Near the Ardeche River (pronounced “arr-desh”) in southern France, less than 0.5 kilometers away, 3 explorers set out a few days before Christmas in 1994. While seeking drafts of air emanating from the ground which would point to the presence of caves, these explorers found a subtle airflow which was blockaded by rocks. The explorers […]
The Oldest Artwork in Human History — Learn Something Interesting
Mindflight 