December 29, 1984 (JiaZi winter in early eight), Switzerland built the highest terrain subway in the world. 29,,

1984 12 the highest terrain subway in the world was built and opened to traffic in Saas Fee in Switzerland Alps. 1.5 km
this funicular subway long train speed thirty-six kilometers per hour, one hundred and fifteen passengers can be transported at a time. Passengers can train as long as three minutes the whole journey, and arrived at the height of 3,500 meters above sea level in the Alps. The subway service for skiers.