A heron pictured with her hatchling in a nest on a tree near Yanhu Lake in Yuncheng city, Shanxi province. As the surrounding environment of Yanhu Lake has improved in recent years, more varieties of birds, including some rare types, have settled around the lake. [Photo/sxrb.com]

Avocets at Yanhu Lake scenic area in Yuncheng city, Shanxi province [Photo/sxrb.com]