Tunnels could ease traffic, be weatherproof, and be resistant to earthquakes
By Hicbd
Wed Nov 7 2018 2:13 pm
"Unlike flying cars, tunnels are weatherproof, out of sight and won't fall on your head. A large network of tunnels many levels deep would fix congestion in any city, no matter how large it grew (just keep adding levels)."
URL:----------------------------------------------------------
Please login to comment
