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大雾山是美国阿巴拉契亚山脉西部的一段,代表了300多万年前地球发展历史上的一个重要时期。大雾山的地貌特征、生物演化和物种多样性都使大雾山国家公园成为世界上最好的自然保护区之一。Beyond the foggy horizon Perhaps the most aptly named range in the world,the Great Smoky Mountains are an oblong mass that stretch across the Tennessee-North Carolina border,wedged
The Great Smoky Mountains, a segment of the western Appalachian Mountains of the United States, represent an important period in the history of the Earth more than 3 million years ago. The landscape features, biological evolution and species diversity of the Smoky Mountains make the Smoky Mountains National Park one of the best nature reserves in the world. Beyond the foggy horizon Perhaps the most aptly named range in the world, the Great Smoky Mountains are an oblong mass that stretch across the Tennessee-North Carolina border, wedged