There have been widespread worries about the effect of the railway on the migration routes of rare Tibetan antelope, and about a fragile ecosystem that, once damaged, will take generations to repair.

• 各界担心这条铁路是否会影响稀有藏羚的迁移路线，以及脆弱的西藏生态系统，因为这个生态系统若遭破坏，得经过数个世代才能恢复。