A farmer picks wine grapes at a planting base in Liangshan Township of Changli County, north China's Hebei Province, Oct. 21, 2018. Over 50,000 mu (about 3,333.33 hectares) of wine grapes have entered the harvest season. The annual output value of local wine brewing industry has reached 2.5 billion yuan (361.1 million U.S. dollars). (Xinhua/Yang Shiyao)

Farmers load wine grapes at a planting base in Liangshan Township of Changli County, north China's Hebei Province, Oct. 21, 2018. Over 50,000 mu (about 3,333.33 hectares) of wine grapes have entered the harvest season. The annual output value of local wine brewing industry has reached 2.5 billion yuan (361.1 million U.S. dollars). (Xinhua/Yang Shiyao)

Farmers pick wine grapes at a planting base in Liangshan Township of Changli County, north China's Hebei Province, Oct. 21, 2018. Over 50,000 mu (about 3,333.33 hectares) of wine grapes have entered the harvest season. The annual output value of local wine brewing industry has reached 2.5 billion yuan (361.1 million U.S. dollars). (Xinhua/Yang Shiyao)