Farmers work in greenhouse at agricultural garden in Luanzhou City, Hebei

A farmer packs strawberries in a greenhouse at an agricultural garden in Luanzhou City, north China's Hebei Province, March 29, 2020.

A farmer picks strawberries in a greenhouse at an agricultural garden in Luanzhou City, north China's Hebei Province, March 29, 2020. 

Farmers work in a seedling greenhouse at an agricultural garden in Luanzhou City, north China's Hebei Province, March 29, 2020. 

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