Aerial photo taken on May 23, 2019 shows a farmer working in fields in Huangbaiyuan Township of Taibai County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

　　Aerial photo taken on May 23, 2019 shows the scenery of the Huangbaiyuan scenic area in Huangbaiyuan Township of Taibai County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

　　Aerial photo taken on May 23, 2019 shows terraced fields and houses in Huangbaiyuan Township of Taibai County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

　　Aerial photo taken on May 23, 2019 shows the scenery of the Huangbaiyuan scenic area in Huangbaiyuan Township of Taibai County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

　　Photo taken on May 23, 2019 shows the scenery of the Huangbaiyuan scenic area in Huangbaiyuan Township of Taibai County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)