Villager Zhoema of the Tibetan ethnic group works in the field at the bank of the Nyang River in Nyingchi of southwest China's Tibet Autonomous Region, March 8, 2009. Peach trees have blossomed to welcome the spring season in the area.(Xinhua/Ye Hui)

Villagers of the Tibetan ethnic group enjoy the flowers at the bank of the Nyang River in Nyingchi of southwest China's Tibet Autonomous Region, March 8, 2009. Peach trees have blossomed to welcome the spring season in the area. (Xinhua/Ye Hui)

Peach trees blossom to welcome the spring season at the bank of the Nyang River in Nyingchi of southwest China's Tibet Autonomous Region, March 8, 2009.(Xinhua/Ye Hui)