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

A farmer checks mats applied upon a greenhouse to prevent heat loss in Dongxinzhuang Village of Zunhua, 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/Liu Mancang)