The most impressive is the coniferous forest with a height of more than 100 meters, and their history can be compared with the history of human origin to the present day. There is also the chimpanzees in the tropical rainforest scrambled for figs and cannibalistic. I saw the largest blue whale, and also saw the smallest microorganisms and fungi. To sum it up in one sentence, I feel my greatness when I see myself small. I am not worth mentioning as an ordinary human being on earth. But I can do my best to do less damage to the earth, and this is my greatness!
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