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Fenghuoshan Tunnel on Qinghai-Tibet Railway Line

 This tunnel is situated at an altitude of 4,905 m and located in the Fenghuoshan Mountain of the Qinghai-Tibetan Plateau. The tunnel was constructed in permafrost and has achieved the Guinness Record for the world"s most elevated tunnel built in permafrost. The project was completed in 2006 with a total contract value of RMB850 million. We were awarded the second prize of the National Science and Technology Advancement Award in 2005 for the project;

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