Secret German WWII underground bunkers and tunnel found in a forest

Secret German WWII underground bunkers and tunnel found in a forest What is this crazy place that we came across in the forest. . Part 1 here : Our unique videos takes a ton of time to create so If you like to support our work : My Email : 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 :