A 'Colony of Tiny Robots' Could Be Digging Tunnels In The Future British firm hyperTunnel proposes a colony of semi-autonomous robots to innovate the underground excavation industry. by Joaquin Victor Tacla
Tech Elon Musk Posts Footage Of His New Underground Tunnel Project, And It's Far From Being Boring [Video] by Alexandra Burlacu
Life Secret Cross-Border Tunnel In California Desert Runs Length Of Four Football Fields by Katrina Pascual