Listen to this article: Paris has an estimated 200 miles or more of underground tunnels. This network is not only the catacombs, but limestone mines. Many remain unmapped, so police do regular searches to map as well as look for illegal activity. On one search, they came across something different… a newly-built, secret clubhouse.
Nuclear war and how not to escape the dropping bombs. This time, up Azusa Canyon at the Tunnels to Nowhere!