Why Tunnels Don’t Collapse If you ever wondered why tunnels don’t collapse here is a good video on it. Facebook Prev Article Next Article Engineering Checkout these cool gadgets... Related Posts Experimental tokamak thermonuclear fusion reactor How Do Bridges Withstand High Winds? Casting a $20 Million Mirror for the World’s Largest Telescope First full scale tidal lagoon power plant in Wales Is Sundrop Farms the Future of Agriculture? Electronic memory may bring bionic brain one step closer