Šveitsis avati maailma pikim ja sügavaimal asuv - Gotthardi raudteetunnel

Gotthardi raudteetunnel on maailma pikim.

Pikkus 57 km, sügavus 2300 m.

Enne seda oli pikim Seikani tunnel Jaapanis - 53.8 kilomeetrit.

World's most: World's deepest rail tunnel opens in Switzerland: World's longest, deepest rail tunnel opens in Switzerland : "High-speed trains take just 17 minutes to roll through the 35-mile-lo...