Workers dismantle old sleepers at Caogusi circuit station of Zhengzhou Railway Signal Depot in Zhengzhou, capital of central China's Henan Province, Aug. 3, 2016. The constructors of Zhengzhou-Xuzhou High-speed Railway have succeeded in finishing a key joining facility recently to link the railway with Beijing-Guangzhou and Zhengzhou-Xi'an high-speed railways on Aug. 3, marking the through connection of high-speed railways in China's eastern and middle western regions. The Zhengzhou-Xuzhou High-speed Railway is expected to be put into operation in early September. (Xinhua/Li An)
