Underground WW2 gun bunker found. One of Hitler`s secret bunkers !

Underground WW2 gun bunker found. This one was kept as secret as possible be for a reason.. We struggled to find it but we did ! Part 2 : Our unique videos takes a ton of time to create so If you like to support our work : My Email : ww2historyhunter@ Check out my monthly WW2 diorama giveaway videos in the beginning of each month. Beautiful WW2 dioramas for my supporters. My underwater exploration gear : QYSea Fifish V6S & V6 With a gripper to recover artifacts from the deep ! Omnidirectional and totally awesome for underwater exploration !