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High-speed rail connects southwest, central China regions

  Passengers travel on train C8052 from Changsha to Xianfeng on Dec. 26, 2019. A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan. The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation. (Xinhua/Chen Zeguo)

  CHONGQING, Dec. 26 (Xinhua) -- A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan.

  The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation。

  The railway is part of a major high-speed rail line connecting Chongqing; Changsha, capital of Hunan; and Xiamen in southeast China's Fujian Province。

  The design of the railway started in 2009 and its construction began in December 2014。

  "We have successfully solved the global problem of how to pass rail lines through treacherous karst regions," said Liu Tingxi, chief designer of the rail line, referring to the limestone region with sinkholes, underground streams and caverns.

  About 143 km of the rail line passes through the karst region, said Liu, adding that "it is where the attractive scenery is, but also where the risks for the project lie."

  Due to the mountainous terrain of the region, constructors built 104 tunnels and 196 bridges, whose total length account for about three-quarters of the rail line.

  Aerial photo taken on June 13, 2019 shows a railway bridge of Qianjiang-Changde railway in Longshan County, central China's Hunan Province. A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan. The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation. (Photo by Ding Yang/Xinhua)

  Aerial photo taken on Dec。 26, 2019 shows Zhangjiajie West Railway Station in Zhangjiajie, central China's Hunan Province。 A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan。 The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation。 (Photo by Zhou Jianxin/Xinhua)

  Train C8052 from Changsha to Zhangjiajie stops at Zhangjiajie West Railway Station in central China's Hunan Province, on Dec。 26, 2019。 A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan。 The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation。 (Photo by Chen Jie/Xinhua)

天山网  Train C8052 from Changsha to Xianfeng stops at Changsha Railway Station in Changsha, central China's Hunan Province, on Dec. 26, 2019. A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan. The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation. (Xinhua/Chen Zeguo)

  Aerial photo taken on June 11, 2019 shows a railway bridge of Qianjiang-Changde railway in Taoyuan County of Changde City, central China's Hunan Province. A high-speed railway line was put into operation Thursday, connecting southwest China's Chongqing Municipality and a city in the central province of Hunan. The 335-km-long rail line links Qianjiang district of Chongqing and the city of Changde in Hunan, passing seven railway stations with a maximum speed of 200 kph in its initial phase of operation. (Photo by Ding Yang/Xinhua)

四川成天益机电设备有限公司 安卓棋牌游戏 广东安昂智能制造供应链技术有限公司 上海凯泉泵业(集团)有限公司沈阳分公司 城乡游-重庆知首科技有限公司 皇冠篮球比分网 广州市著通生物科技有限公司 皇冠篮球比分网 淄博双龙耐火材料有限公司