Peach blossoms are seen in Nyingchi Prefecture, southwest China's Tibet Autonomous Region, March 7, 2010. Peach trees have blossomed to welcome the spring season in Nyingchi, which is known for its humid and mild climate, charming scenery and rich natural resources. (Xinhua/Purbu Zhaxi)

Peach blossoms are seen at Bayi County in Nyingchi Prefecture, southwest China's Tibet Autonomous Region, March 7, 2010. Peach trees have blossomed to welcome the spring season in Nyingchi, which is known for its humid and mild climate, charming scenery and rich natural resources. (Xinhua/Purbu Zhaxi)

A man inhabits on a tree with peach blossoms in Nyingchi Prefecture, southwest China's Tibet Autonomous Region, March 7, 2010. Peach trees have blossomed to welcome the spring season in Nyingchi, which is known for its humid and mild climate, charming scenery and rich natural resources. (Xinhua/Purbu Zhaxi)

Peach blossoms are seen at the canyon of Nyang River in Nyingchi Prefecture, southwest China's Tibet Autonomous Region, March 7, 2010. Peach trees have blossomed to welcome the spring season in Nyingchi, which is known for its humid and mild climate, charming scenery and rich natural resources. (Xinhua/Purbu Zhaxi)

A man walks past a tree with peach blossoms in Nyingchi Prefecture, southwest China's Tibet Autonomous Region, March 7, 2010. Peach trees have blossomed to welcome the spring season in Nyingchi,which is known for its humid and mild climate, charming scenery and rich natural resources. (Xinhua/Purbu Zhaxi)