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 NASA power strength glove This is the Innovation that Changed Bridges Forever Underwater Kite Harvests Energy From Ocean World’s Fastest Ship: Incat’s Wave Piercing Catamaran World’s longest and most expensive railway tunnel, Gotthard Base Tunnel Inside Norway’s $47 Billion Floating Highway