Sabtu, 16 Oktober 2010

Swiss dig longest tunnel

The workers dug tunnels in Sedrun, Switzerland, cheered happily as he lit fireworks. They celebrated the successful drilling of the last Gotthard Base Tunnel, the longest tunnel construction project in the world. Excitement that happens on Friday, October 15 last, when the giant drill bit broke through the last layer.

The length of the tunnel is about 57 kilometers. Cost about U.S. $ 10 billion or around Rp90 trillion, the Gotthard Base Tunnel will link high-speed railway network in Europe and scheduled to be operational by 2017 to come.

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