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 Traffic Barrier-Transfer Machine How Do Bridges Withstand High Winds? Building a Next Generation Neutrino Experiment Largest Ever Science Project Is Being Build – Nuclear Fusion Reactor Could Severe Turbulence Cause A Plane To Crash? Moving a 6200 Ton Building by 60meters
