Secrets and hidden features everywhere here at the lost German WW2 fortress.

Secrets and hidden features everywhere here at the lost German WW2 fortress. Why is it all here and what happened here ? 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. Check out these incredible Robotics skills : My underwater exploration gear : QYSea Fifish V6S & V6 and Fifish V6 Expert. With a gripper to recover artifacts from the deep ! Omni directional and totally awesome for underwater exploration !