2. Love flowers, trees and campus.
3. Illegal use of fire without a license will cause a fire.
4, green symbolizes life, cherish life, environmental protection first.
5, overall planning, overall consideration, and promote the coordinated development of water conservancy.
6, small flowers and grass spread incense, please detour.
7. Make the earth younger.
8. Cultivate the wind of environmental protection and welcome a better tomorrow.