Aerial photo taken on Aug. 18, 2019 shows a comprehensive inspection train running on the Zhengzhou-Fuyang railway line in Zhengzhou, central China's Henan Province. The Henan section of Zhengzhou-Fuyang railway started a joint test on Sunday. The 211.764-kilometer-long Zhengzhou-Fuyang railway designed with a speed of 350 km per hour links Zhengzhou of central China's Henan and Fuyang of east China's Anhui. (Xinhua/Li An)

　　Aerial photo taken on Aug. 18, 2019 shows a comprehensive inspection train running on the Zhengzhou-Fuyang railway line in Zhengzhou, central China's Henan Province. The Henan section of Zhengzhou-Fuyang railway started a joint test on Sunday. The 211.764-kilometer-long Zhengzhou-Fuyang railway designed with a speed of 350 km per hour links Zhengzhou of central China's Henan and Fuyang of east China's Anhui. (Xinhua/Li An)

　　Aerial photo taken on Aug. 18, 2019 shows a comprehensive inspection train running on the Zhengzhou-Fuyang railway line in Zhengzhou, central China's Henan Province. The Henan section of Zhengzhou-Fuyang railway started a joint test on Sunday. The 211.764-kilometer-long Zhengzhou-Fuyang railway designed with a speed of 350 km per hour links Zhengzhou of central China's Henan and Fuyang of east China's Anhui. (Xinhua/Li An)

　　Aerial photo taken on Aug. 18, 2019 shows a comprehensive inspection train running on the Zhengzhou-Fuyang railway line in Zhengzhou, central China's Henan Province. The Henan section of Zhengzhou-Fuyang railway started a joint test on Sunday. The 211.764-kilometer-long Zhengzhou-Fuyang railway designed with a speed of 350 km per hour links Zhengzhou of central China's Henan and Fuyang of east China's Anhui. (Xinhua/Li An)