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Save our earth! It's the only one treasure we got. If we don't take any movement to do it. One day, the sky isn't blue. The stream isn't clean, and the air isn't fresh. The end of the world's coming. From now on, we should take responsibility to protect earth.
National Yunlin University of Science & Technology
Jhe-Min, Lin Shih-Kuang, Chiu Hao-Hsing, Hsieh Jui-Hung, Chao