Map Secret Underground Areas For DARPA and Win $2 Million

Do you believe the Earth is hollow or at least hiding numerous large interior spaces? Do you fear that life on the surface may end soon and it’s critical to begin building cities underground? Would you like to win $2 million? Then DARPA is looking for you! “The DARPA Subterranean Challenge explores innovative new approaches … Continue reading Map Secret Underground Areas For DARPA and Win $2 Million