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Switzerland Holds World's Longest And Deepest Rail Tunnel; Now Open For Public Use
The well-known Gotthard Base Tunnel (GBT) is considered as the World's Longest and Deepest Rail Tunnel serves the public commuter from Zurich to Lugano.
The well-known Gotthard Base Tunnel (GBT) is considered as the World's Longest and Deepest Rail Tunnel serves the public commuter from Zurich to Lugano.