China environmental symbol (commonly known as "ten ring") is composed of green hills, green waters, the sun and ten surrounding rings. The central structure of the figure represents the environment on which human beings live, and the ten outer rings are closely combined and closely linked, indicating public participation and protecting the environment; At the same time, the word "ring" of the ten rings is the same as the word "ring" of the environment, which means "the whole people are connected and * * * protects the environment on which human beings depend."