On August 6, 2020, near the Dalinghe National Wetland Park in Yixian County, Jinzhou City, Liaoning Province, a large number of "dancing" black dragonflies can be seen. They are slightly smaller than ordinary dragonflies, with black wings, and their wings are together when they stop. Floating in the wind. Some locals said they had never seen this kind of black dragonfly before. (Edited by Yang Li, Gao Yuhui)

Editor in charge: [Wang Kai]