German WWII U-boat pen explored. ULTRA RARE explore INSIDE the U-boat bunker. NEVER SEEN IMAGES !

German WWII U-boat pen and it is ULTRA RARE to be able to explore inside one of the biggest constructions the Germans made in WWII ! ONE IN A LIFETIME OPPORTUNITY ! Our unique videos takes a ton of time to create so If you like to support our work : My Email : ww2historyhunter@ Check out our 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 ! Our flashlight gear :