Harvesters collect wheat in Anxin county, North China’s Hebei province, June 10, 2017.[Photo/Xinhua]

A harvester collects wheat in Rongcheng county, North China’s Hebei province, June 10, 2017. [Photo/Xinhua]

A harvester collects wheat in Anxin county, North China’s Hebei province, June 10, 2017.[Photo/Xinhua]

Harvesters collect wheat in Rongcheng county, North China’s Hebei province, June 10, 2017.[Photo/Xinhua]