一条神秘的道路(A mysterious path)

让我们沿着火花巷散步，这是一颗位于美国田纳西州大烟山国家公园的宝石。该公园成立于1934年，占地2100多平方公里的野生动物。森林覆盖了公园的大部分，有1500种开花植物、952种藻类、65种哺乳动物和240多种鸟类，使其成为国际生物圈保护区。
原文：
Let's take a walk along Spark Alley, a gem located in Big Smoky Mountain National Park in Tennessee, USA. The park was established in 1934 and covers an area of over 2100 square kilometers of wildlife. The forest covers most of the park, with 1500 species of flowering plants, 952 species of algae, 65 species of mammals, and over 240 species of birds, making it an international biosphere reserve.
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