Farmers weed at a wheat field in Dongpangqianjie Village in Xingtai City, north China's Hebei Province, May 26, 2020. (Photos: Xinhua/Zhu Xudong)

Aerial photo taken on May 26, 2020 shows wheat being irrigated by spring equipment at a field in Zhongcheng Village in Xingtai City, north China's Hebei Province.

Farmers weed at a wheat field in Dongpangqianjie Village in Xingtai City, north China's Hebei Province, May 26, 2020.

Aerial photo taken on May 26, 2020 shows farmers weeding at a wheat field in Dongpangqianjie Village in Xingtai City, north China's Hebei Province.

A farmer checks the growth of wheat in a field in Qianluting Village in Xingtai City, north China's Hebei Province, May 26, 2020.