Protect Environment
小编： JOKER.
Environment these days is worse and worse. Water pollution and air pollution are more and more serious. The water and air are dirty now. If we these dirty water or take in these air, we will be sick. So we should protect environment. But what should we do? Let me tell you. We should save water. And we should go out by bike. We also can't use one-off chopsticks. Everyone should take an active part in these activity!