22-英语听力

[00:00.96]However, the situation is improving. [00:03.95]Anti-poaching laws are now actively enforced [00:07.51]so every summer, female chiru can head to the birthing grounds in relative safety. [00:25.51]Out on the plateau, new-born chiru are vulnerable to predators [00:30.73]so the mothers must try to hide and protect them. [00:48.22]The most recent problem faced by the chiru is the new Tibet-Qinghai railway [00:54.35]which cuts right through their traditional migration routes. [00:58.15]Running nearly 2,000 kilometres through some of the highest terrain on Earth [01:02.72]the railway is an astonishing technical feat. [01:07.12]It's too early to see its effect on the wildlife [01:10.54]But the engineers have made efforts to incorporate underpasses [01:14.59]where wildlife can cross the line in safety. [01:28.94]As the modern world increasingly impacts on Tibet [01:32.58]its traditions could be in danger of being eroded.