Pupils make a handcart with eco-friendly materials at Pujiang No1 Primary School in Shanghai's Minhang district, July 10, 2012. The program, aimed at bringing environmental protection knowledge and technical experience to more than 2,000 children of migrant workers, was unveiled by the children’s palace of 皇冠体育app Welfare Institute at six schools in the suburbs of Shanghai. [Photo/Xinhua]
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