Farmers busy with work on traditional solar term of Lidong across China

A farmer applies a layer of mat upon a greenhouse to prevent heat loss at Hanjiazhuang Village in Fengrun District of Tangshan, north China's Hebei Province, Nov. 7, 2018. Farmers are busy with their work on the occasion of the traditional solar term of Lidong, the beginning of winter, which fell on Nov. 7 this year. (Xinhua/Mu Yu)