What Are the Chinese Building Underground in Hainan? A satellite captures an image that uncovers the entrance to an underground complex. What is being built there? Facebook Prev Article Next Article Engineering Checkout these cool gadgets... Related Posts The Future of Wind Power? – Kite Powered Systems Why The Netherlands Isn’t Under Water America’s Insane Plan for Nuclear Powered Planes Molten Salt Reactor technology Futuristic TriFan 600 Can Take Off Vertically Like a Helicopter Man-Made Quakes Could Lead to Safer, Sturdier Buildings
