S1E6
Super Tunnel
8 Şubat 2018
45 dk
Engineers are building a ground-breaking new railway line in Copenhagen that features 22 miles of tunnels, 17 brand-new stations, and cutting-edge driverless trains.
Engineers are building a ground-breaking new railway line in Copenhagen that features 22 miles of tunnels, 17 brand-new stations, and cutting-edge driverless trains.