Summary | At 643 kilometers, the line will link Xi'an, Shaanxi
province, with Chengdu, Sichuan province.Twenty tunnels are
designed for the 134-kilometer Qinling Mountains stretch.The
line travels less than 1 km through the region where crested
ibises sometimes fly."We invited experts from China and Holland
and learned from bird protection projects overseas.The ...
en.ce.cn | 09 August 2017