A villager filtrates water collected from a pond nearby in Jiangling Village, Song County of central China's Henan Province, Feb. 22, 2011. Suffering from the most serious drought within 50 years, Henan Province has no effective rainfall for more than 130 days, with 29 million mu (1.94 million hectare) paddy fields and drinking water in some mountainous regions affected. [Xinhua]