Reflection of the diversiform-leaved poplars are seen on the Black River in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007. The 5,000-hectare oasis, once an endangered enclave in the heart of the Araxan desert, is now a scenic national park that has drawn more than 40,000 visitors this year as it has recovered from decade's efforts of protection. (Xinhua Photo) 

Local residents walk with camels among the diversiform-leaved poplars in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007. (Xinhua Photo) 

Young men enjoy the coolness in the water in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007.   (Xinhua Photo) 

Photographers take photos among the diversiform-leaved poplars in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007. (Xinhua Photo) 

Diversiform-leaved poplars are seen in the photo taken in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007.  (Xinhua Photo) 

Tourists enjoy a casual moment among the diversiform-leaved poplars in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007. (Xinhua Photo)

Boys play football among the diversiform-leaved poplars in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007.  (Xinhua Photo) 

Diversiform-leaved poplars are seen in the photo taken in Ejin Oasis, in the desert of Araxan League in north China's Inner Mongolia Autonomous Region, on Oct. 4, 2007.  (Xinhua Photo)

(Xinhua News Agency October 9, 2007)