Tim R. Swartz has for well over a decade investigated the claims that the earth is hollow or that a vast cavern system circles the globe that is inhabited by a mutant race of beings known as the Dero which wish evil upon us surface dwellers.
Tim R. Swartz has for well over a decade investigated the claims that the earth is hollow or that a vast cavern system circles the globe that is inhabited by a mutant race of beings known as the Dero which wish evil upon us surface dwellers.