Visitors look at water gushing from the Xiaolangdi Reservoir on the Yellow River during a sand-washing operation
Visitors look at water gushing from the Xiaolangdi Reservoir on the Yellow River during a sand-washing operation in Henan province, July 27, 2010. The operation was conducted to clear out silt deposits at the dam, China Daily said. REUTERS/China Daily (CHINA – Tags: ENVIRONMENT ENERGY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA