I found a lost Underground Bunker, Searching Relics of WW2 with Metal Detector November 19, 2018 Unipro2013main Military History, Old Battlefields Revisited Home » Military History » I found a lost Underground Bunker, Searching Relics of WW2 with Metal Detector Underground Bunker Here is a video from the Russian War Diggers where they found a lost Underground Bunker Please support our Sponsors -