The state-protected Tibetan antelopes wandering about on the grassland of Changtang National Nature Reserve. [Photo: Xinhuanet]
![The state-protected Tibetan antelopes wandering about on the grassland of Changtang National Nature Reserve. [Photo: Xinhuanet]](http://images.china.cn/attachement/jpg/site1007/20090811/000d87ad3cdd0beb0c4e09.jpg "The state-protected Tibetan antelopes wandering about on the grassland of Changtang National Nature Reserve. [Photo: Xinhuanet]")
