Children show a painting with a smiling face to celebrate the World Smile day in Kathmandu, Nepal, Oct. 7, 2012. The World Smile day 2012 is celebrated with the theme of “Do an act of kindness. Help one person smile”.
Children celebrate the World Smile day in Kathmandu, Nepal, Oct. 7, 2012. <Xinhua/Sunil Sharma>
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