一篇有关世界十大自然奇观的英文介绍？Serengeti Migration Over a million animals annually trek the circular Serengeti Migration route in search of water and pasturage.Safari-goers see wild lions
一篇有关世界十大自然奇观的英文介绍？
Serengeti Migration
The Grand Canyon took over a billion years to develop.Its depth，width and magnificent views exceed the expectations of most visitors.
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世界最著名的七大《dà》奇迹英文转载请注明出处来源
