Visitors take selfies at a grape garden of Shennong ecological garden in Luoting Township of Nanchang, capital of east China's Jiangxi Province, July 23, 2019. (Xinhua/Wan Xiang)

A farmer harvests grapes at a grape garden of Shennong ecological garden in Luoting Township of Nanchang, capital of east China's Jiangxi Province, July 23, 2019. (Xinhua/Wan Xiang)

Farmers harvest grapes at a grape garden of Shennong ecological garden in Luoting Township of Nanchang, capital of east China's Jiangxi Province, July 23, 2019. (Xinhua/Wan Xiang)