Farmers help villager Peng Qiugen harvest rice on the roof of Peng's house which had been converted into a rice field at Qilin village of Shaoxing city, east China's Zhejiang province, Nov 18, 2013. Peng several years ago transformed the roof of his house into a farmland, in which rice, watermelons and vegetables have been harvested in different seasons. [Photo/Xinhua]
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