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chang jiang san xia zhong guo zhi zui
Author(s): 
Pages: 62
Year: Issue:  7
Journal: China Ethnicity

Keyword:  长江三峡大革命时期三峡地区湖北秭归县娃娃鱼巴楚文化四川省古代文化名人中国之最王昭君;
Abstract: 长江三峡中国之最潭正双1.最大的天坑四川省奉节县小寨天坑位于长江三峡河谷深切区的边缘。它上部为椭圆形大坑,直径为537米至626米,深320米;下部为略成矩形的竖井,总面积为11934.8立方米。有关专家考察结论为:世界上最大的天坑。2.最长的地缝四...
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