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Visitors watch water gushing from the section of the Xiaolangdi Reservoir on the Yellow River, during a sand-washing operation in Jiyuan, Henan province, July 7, 2013. REUTERS/China Daily (CHINA – Tags: ENVIRONMENT TRAVEL TPX IMAGES OF THE DAY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA. FOR BEST QUALITY IMAGE: ALSO SEE GM1E97B0W0T01 – RTX11FHG