More precious than pearl!
Wuding county of Yunnan province is renowned as one of the poor counties, located in the most remote areas of Yunnan, near the upper Jinsha River, bordering Sichuan Province. Because of drought and water shortage, the people here have been carrying water by horses and manpower for 3 years. In order to save water, they had to use the bath water after precipitation to feed livestock and water vegetable garden. For them, water is more precious than pearl. So, they were eager to have running water a