Women of Shui ethnic group offer guests with wine as they celebrate the Mao Festival in Shui Autonomous County of Sandu, southwest China's Guizhou province, July 14, 2008. The Mao Festival of Shui ethnic group, an occasion to pray for benign climate and a good harvest, kicked off there on Monday. (Xinhua Photo)

Flags are erected at the hillside to celebrate the Mao Festival in Shui Autonomous County of Sandu, southwest China's Guizhou province, July 14, 2008. (Xinhua Photo)

People of Shui ethnic group gather at the hillside to celebrate Mao Festival in Shui Autonomous County of Sandu, southwest China's Guizhou province, July 14, 2008. (Xinhua Photo)

People of Shui ethnic group sing and dance to celebrate the Mao Festival in Shui Autonomous County of Sandu, southwest China's Guizhou province, July 14, 2008. (Xinhua Photo)

Women of Shui ethnic group wave couch grass to celebrate the Mao Festival in Shui Autonomous County of Sandu, southwest China's Guizhou province, July 14, 2008. (Xinhua Photo)