man have opened up too much and over developed nature, in order to fill up their growing appetites of wealth. they destroy the balance of nature, however, they don't realize, their own development and existence will be threatened. therefore, our sights should be focused on nature and we should try to develop the concept of "keeping human and nature in unity".

we should lay emphasis on our education with consider cultural and natural emotion. to use the vivid example to wake up the conscience in people's hearts.

to love nature is to love our mankind. as the new generation who enter the new century, we should make efforts to love and respect nature, to treat it well and protect it. at last, we have the night to enjoy it.

that’s all thank you!

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