An aerial photo taken on Aug. 14, 2015 shows a high-speed train running out of a mountain tunnel as it runs on the Yichang-Wanzhou High-speed Railroad, which is built on a viaduct, in Enshi, central China's Hubei Province. The 377-kilometer-long Yichang-Wanzhou Railroad, which is regarded as the most difficult railroad ever built in China, winds through mountainous areas from its eastern station Yichang in Hubei Province to western station Wanzhou in southwest China's Chongqing. (Xinhua) |
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