Staff members sort silkworm cocoons by their quality at a collecting station in Hai'an City, east China's Jiangsu Province, June 2, 2018. Hai'an is known for its silk cocoon industry. (Xinhua/Xu Jinbai)
Staff members process silkworm cocoons in Hai'an, E China's Jiangsu
Source: Xinhua| 2018-06-02 20:48:51|Editor: mym
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