A child and his father look at a poster which promotes World Water Day at a station in Jinan, Shandong province, on March 20, 2011. World Water Day is held on March 22 each year. [Photo/Xinhua]
A child holds a balloon with two characters which mean "saving water" to promote World Water Day at a square in Jinan, Shandong province, on March 20, 2011. World Water Day is held on March 22 each year. [Photo/Xinhua]
Children express their concepts of water through drawing pictures to promote World Water Day at a square in Jinan, Shandong province on March 20, 2011. World Water Day is held on March 22 each year. [Photo/Xinhua]
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