Aerial photo taken on Aug. 25, 2018 shows buckwheat flowers at Anbian Township in Dingbian County, northwest China's Shaanxi Province. (Xinhua/Shao Rui)

Children enjoy buckwheat flowers at Fujiawa Village of Youfangzhuang Township in Dingbian County, northwest China's Shaanxi Province, Aug. 25, 2018. (Xinhua/Shao Rui)

Tourists pose for photos in a buckwheat field at Fujiawa Village of Youfangzhuang Township in Dingbian County, northwest China's Shaanxi Province, Aug. 25, 2018. (Xinhua/Shao Rui)

Photo taken on Aug. 25, 2018 shows buckwheat flowers at Fujiawa Village of Youfangzhuang Township in Dingbian County, northwest China's Shaanxi Province. (Xinhua/Shao Rui)