Plot Summary:Deeper than any other, the Gotthard Base Tunnel in the Swiss Alps paves the way for a high-speed rail link between Zurich and Milan. It was only made possible by innovations in six landmark tunnels.
01 Tunnel(哥达基线隧道) 02 Apocalypse Sub(Submarine)(宾夕法尼亚号潜艇) 03 Aircraft(巨无霸运输机)(安124) 04 Oil Rig(培狄杜钻井平台) 05 Dome(大分体育场) 06 Cruise Ship(海洋独立号游轮) 07 Space Station(国际空间站) 08 Dam(三峡大坝) 09 Telescope(大型双筒望远镜) 10 Skywheel(Sky Wheel)(新加坡飞行者摩天轮)