Underground tunnels were re-discovered in 2006 close to river Bosnia. Foundation cleaned and secured 150 meters of the existing tunnels. Height of the tunnels is 3 meters and width 2,5 meters. Fragments of several stone circles were found. One of the existing tunnels leads toward the Bosnian Pyramid of the Moon and other one in direction of the Bosnian Pyramid of the Sun going under the river Fojnica. Underground chamber was discovered in 2007. During the work water started coming in large quantities and work was stopped ever since due to the security concerns.