The history of the Paris Catacombs
APR 02 2026
How the 18th-century clearance of the Cemetery of the Innocents filled the disused limestone quarries with six million dead.
Source: YouTube
Part of Underground · Watch in the documentary
More from Underground
- A rare journey inside Son Doong
- South Africa opens its first new underground gold mine in fifteen years
- "Сейсмограф" Seismometer in Moscow Institute of Physics and Technology 20260330
- The Cascadia Megaquake Is Inevitable
- 1.9-Billion-Year-Old Bedrock Will Hold Spent Nuclear Fuel
- Belowground Biodiversity in Northeast India