World's highest highway tunnel opens in SW China
chinadaily.com.cn |
Updated: 2017-09-27 07:57
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The Que'ershan Tunnel, stretching 12.997 kilometers on National Highway No 317, in Ganzi, Sichuan province, opens to traffic on Sept 26, 2017, some 15 years after the project started. [Photo/VCG] |