M: Can you see that rubish and waste are currently covering all the beach we go?

B: Yes of course. People throw away trash without caring about the environment around them. This leads to serious pollution and destroys the beautiful scenery .

M: Haiz there are so few trees planted nowadays. We just see cement everywhere, no tree, no shadow, no fresh air.

B: That's so sad. Polluted air can cause many dangerous diseases and we have to do something to improve this situation.

M: You see, there are too many advertisements hanging on. They look so dull.

B: Yes, it make our city turn out ugly with colorful papers and confusing letters.