A passenger train of Swiss railway operator SBB leaves the northern gates of the NEAT Gotthard Base Tunnel, the world's longest train tunnel, during a test run, near the town of Erstfeld, Switzerland November 14, 2016. [Photo/Agencies]
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CCTV.com
12-12-2016 06:21 BJT
A passenger train of Swiss railway operator SBB leaves the northern gates of the NEAT Gotthard Base Tunnel, the world's longest train tunnel, during a test run, near the town of Erstfeld, Switzerland November 14, 2016. [Photo/Agencies]
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