Massive, 12,000-year-old underground tunnels stretch from Scotland to Turkey4

• Ancient Archeology, From Around the Web
• March 4, 2017

There are countless, extremely ancient underground tunnels and chambers that stretch across the European Continent. These massive, 12-000-year-old underground tunnels are the product of ancient man which was far more advanced and knowledgeable than what mainstream scholars are willing to accept. Are these tunnels the ultimate evidence of a lost culture inhabiting Europe?