in modern society, we tend to become more and more aware of our livingenvironment or physical environment, because we are not clean as before. So manypeople now choose their house as to its environment but not its location andexpenses to afford it. As we all know, the environment pollution is more andmore serious during these years, what we could do is to make great efforts inprotecting environment gradually. As to government pollution, as to commonpeople. We also try to protect it and make it remain clean. Although we havemanaged to protect the environment to a certain extent. It is still a very longway to go.