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Niagara Falls is by the border (边界) of the U. S. and Canada. It is one of the world's greatest natural wonders. It consists of(由……组成) three small waterfalls. In the U. S. , we can see one side (侧面) of Niagara Falls. But in Canada, we can have a good view (视野). Niagara Falls is very beautiful. Many people like to go to Niagara Falls in summer. Do you like Niagara Falls?