
A pilot train running on the Xi'an-Chengdu high-speed railway goes past a protection net for Crested Ibis in Yangxian County in northwest China's Shaanxi Province, Nov. 27, 2017. A total of 33 kilometers of protection net is set along the two sides of the Xi'an-Chengdu high-speed railway on its Yangxian County section, which is easily recognised by Crested Ibis and can protect the animal from being hurt. (Xinhua/Shao Rui)