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Swiss Complete Digging on Rail Tunnel

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Workers celebrate the breakthrough of the second shaft of Gotthard Tunnel in Sedrun, Switzerland, on October 15, 2010.

Switzerland is celebrating the completion of drilling on what will become the world's longest rail tunnel.

The more than 35-mile Gotthard Base Tunnel runs across the Swiss Alps. In a statement, project officials said they hope to open the tunnel to traffic in 2017, and envision it as a central hub in a modernized European transit system connecting major cities.

According to The BBC, today's achievement caps off 14 years of work on a more than $10 billion project. Officials hope the tunnel will be able to accommodate up to 300 trains per day, according to the BBC.