This aerial photo taken on Aug. 18, 2023 shows corn fields near Luhe River in Jingbian County, Yulin City of northwest China's Shaanxi Province. Luhe River, dubbed a "mother river" in Jingbian County, plays an important role in agricultural production in northern Shaanxi. [Photo/Xinhua] This aerial photo taken on Aug. 20, 2023 shows sunrise scenery at Luhe River in Jingbian County, Yulin City of northwest China's Shaanxi Province. [Photo/Xinhua] This aerial photo taken on Aug. 20, 2023 shows the scenery of Luhe River in Jingbian County, Yulin City of northwest China's Shaanxi Province. [Photo/Xinhua] This aerial photo taken on Aug. 20, 2023 shows birds foraging in Luhe River in Jingbian County, Yulin City of northwest China's Shaanxi Province. [Photo/Xinhua] This aerial photo taken on Aug. 20, 2023 shows sunrise scenery at Luhe River in Jingbian County, Yulin City of northwest China's Shaanxi Province. [Photo/Xinhua]