Underground in Antarctica they have found doors up-to 18 feet thick, made of rock hard basalt. Even though they weigh many tonnes they can open with just the touch of a finger. On the back of these doors are the symbol of the black sun. The interior was heated to around 68-72 degrees Fahrenheit (20-22 Celsius), and was also lighted by a lime green source projected from the ceiling and floor. He did not see any heating or lighting equipment, which added to the mystery of the buried structure.
