November 24, 2007 

A doctor makes allergy checks for children at No. 1 Primary School of Binxian, a county of Harbin, capital of northeast China's Heilongjiang Province, Nov. 23, 2007. A project of allergy checks for "left-behind" children whose parents go out as migrant workers is launched and about 10 thousand children on the suburb of Harbin will be benefited from it. [Xinhua Photo]

A doctor makes allergy checks for children at No. 1 Primary School of Binxian, a county of Harbin, capital of northeast China's Heilongjiang Province, Nov. 23, 2007.[Xinhua Photo]