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Photo Gallery: The Longest of Tunnels

Foto: ARND WIEGMANN/ REUTERS

The Gotthard Base Tunnel Miracle Under the Alps

After years of work deep under the surface of the earth, drilling on the Gotthard Base Tunnel is set to be completed on Friday. It will be years before the first trains roll through the 57-kilometer-long tunnel, but given the difficulties workers have encountered, it is a wonder they have come this far.