返回信息流May 22, 2005
Niagara Falls, New York
Date Unknown
Walter Meayers Edwards
A shared landmark between the United States and Canada, Niagara Falls comprises three waterfalls: American, Bridal Veil, and Horseshoe. In 1969 the United States Army Corps of Engineers diverted water from American Falls for several months. Their aim was to assess the possibility of moving the loose rocks at the base to improve the falls' appearance.
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国家地理每日一图 2005.05.22
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