Photo taken on May 15, 2017 shows the sea of clouds over the meadows in Zhenba County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)
Photo taken on May 15, 2017 shows the sea of clouds over the meadows in Zhenba County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)
Tourists view the sea of clouds over the meadows in Zhenba County, northwest China's Shaanxi Province, May 15, 2017. (Xinhua/Tao Ming)
Photo taken on May 15, 2017 shows the sea of clouds over the meadows in Zhenba County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)
Photo taken on May 15, 2017 shows the sea of clouds over the meadows in Zhenba County, northwest China's Shaanxi Province. (Xinhua/Tao Ming)