A Tour Under Paris: Explore the Secrets of the City’s Catacombs and Underground Mysteries

The Paris underground consists of vast limestone quarries made from sedimentary rocks. These quarries formed about 45 million years ago, when a tropical sea existed. A tour explores the geological history and highlights cave-ins. This site holds historic significance, showcasing Paris’s unique subterranean landscape. As explorers navigate the tunnels, they encounter ancient graffiti and intricate … Read more