Aerial photo taken on April 5, 2020 shows a view of the salt lake in Yuncheng City, north China's Shanxi Province.
Aerial photo taken on April 5, 2020 shows a view of the salt lake in Yuncheng City, north China's Shanxi Province.
Aerial photo taken on April 5, 2020 shows a view of the salt lake in Yuncheng City, north China's Shanxi Province.
Aerial photo taken on April 5, 2020 shows a view of the salt lake in Yuncheng City, north China's Shanxi Province.
Aerial photo taken on April 5, 2020 shows a view of the salt lake in Yuncheng City, north China's Shanxi Province.
Photo taken on April 5, 2020 shows migrant birds flying over the Yuncheng salt lake wetland in Yuncheng, north China's Shanxi Province.
Photo taken on April 5, 2020 shows migrant birds flying over the Yuncheng salt lake wetland in Yuncheng, north China's Shanxi Province.
Photo taken on April 5, 2020 shows migrant birds flying over the Yuncheng salt lake wetland in Yuncheng, north China's Shanxi Province.
Photo taken on April 5, 2020 shows migrant birds flying over the Yuncheng salt lake wetland in Yuncheng, north China's Shanxi Province.