A farmer works inside a peach tree greenhouse in Beigang village of Zunhua city, North China’s Hebei province, Jan 15, 2019. [Photo/Xinhua]

A farmer does pollination for cherry trees inside a greenhouse in Zhengzhuang village of Zaozhuang city, East China’s Shandong province, Jan 14, 2019. [Photo/Xinhua]

Visitors take photos of apricot blossoms inside a greenhouse in Yanghenan town, Zhangjiakou of North China’s Hebei province, Jan 15, 2019. [Photo/Xinhua]

Farmers work inside a plum tree greenhouse in Beigang village of Zunhua city, North China’s Hebei province, Jan 15, 2019. [Photo/Xinhua]