As we all know, like clean water, fresh air is very essential to our well being. Without the essential living conditions, we couldnt live . So today Id like to be care of the Air. As you know, China is a developing country , because too many factories , the environment was severely destructed, air has became even worse than yesterday. As I know, many countries have the same problems like China, we need a good environment to live, clean water, fresh air and so on. So today I will introduce you... read more
