Yujiashan Tunnel successfully holed through in China's Hubei

Constructors work in the Yujiashan Tunnel in Shiyan, central China's Hubei Province, May 8, 2018. Part of the Wuhan-Shiyan high-speed railway, the 10,125-meter-long tunnel was successfully holed through on Tuesday and is to be opened to traffic by the end of 2019. (Xinhua/Xu Yunhua)