Aerial photo taken on July 21, 2020 shows farmer Zhang Haitao checking the growth of rice seedlings and river crabs bred in rice fields at Hujia Town of Panjin City, northeast China's Liaoning Province. Panjin City has not only China's high-quality rice production base, but north China's larger river crab artificial incubation and breeding base. The city has developed a rice-crab commensal eco-agriculture mode that river crabs are bred in growing rice. This mode has created a new method for farmers planting rice to increase incomes. (Xinhua/Yao Jianfeng)
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