Tunnels
May 14, 2020
➤ Tunnels are artificial underground passages, especially built through a hill or under a building, road or river.
The connecting passages serve, for example, as access to special rooms or as secret escape tunnels. With the discovery of tunnels, a piece of history of building complexes can be reconstructed and treasure troves can be discovered.
June 01, 2022
Knights Templar Treasure Hunt: Archaeological Expedition to Poland
OKM followed an expedition to Poland searching the underground near and in the church for graves of the Knights Templar. ...
February 27, 2013
French Archaeologist Discovers Secret Door of Machu Picchu with OKM Rover C II
Archaeologist discovers a new underground chamber in the Inca city of Machu Picchu in Peru with OKM Rover C II. ...