Bar-headed goose numbers on the rise at Yangtze source

Still photo of a video by an environmental group showing a large number of bar-headed geese on an island in Bande Lake in Tibet, the source of the Yangtze River, April 22, 2018. Volunteers say they've observed the number of bar-headed geese appears to have doubled this year compared to the same period last year. [Photo: Chinanews.com]