世界之旅:YellowstoneNationaln
<p><span word="This">This</span> <span word="natural">natural</span> <span word="wonders">wonders</span> <span word="unparalleled">unparalleled</span> <span word="beauty">beauty</span> <span word="inspired">inspired</span> <span word="the">the</span> <span word="U">U</span>.<span word="S">S</span>. <span word="government">government</span> <span word="to">to</span> <span word="create">create</span> <span word="the">the</span> <span word="worlds">worlds</span> <span word="first">first</span> <span word="national">national</span> <span word="park">park</span>. <span word="For">For</span> <span word="a">a</span> <span word="young">young</span> <span word="country">country</span> <span word="just">just</span> <span word="coming">coming</span> <span word="of">of</span> <span word="age">age</span> <span word="in">in</span> <span word="the">the</span> <span word="early">early</span> 1800<span word="s">s</span>, <span word="the">the</span> <span word="discovery">discovery</span> <span word="of">of</span> <span word="Yellowstone">Yellowstone</span> <span word="helped">helped</span> <span word="define">define</span> <span word="America">America</span> <span word="s">s</span> <span word="identity">identity</span> <span word="with">with</span> <span word="its">its</span> <span word="vast">vast</span>, <span word="bold">bold</span> <span word="landscape">landscape</span>. </p><p>这一自然奇观以其无与伦比的美景促使美国政府辟建了世界上第一个国家公园。作为一个19世纪初叶才发展起来的年轻国家，黄石地区的开辟得以使美国以其辽阔而雄浑的自然风光著称于世。</p></p>老忠实喷泉</p><p><span word="The">The</span> <span word="incredible">incredible</span> <span word="geysers">geysers</span> <span word="and">and</span> <span word="picture">picture</span> <span word="postcard">postcard</span> <span word="landscape">landscape</span> <span word="brought">brought</span> <span word="Yellowstone">Yellowstone</span> <span word="its">its</span> <span word="fame">fame</span>. <span word="But">But</span> <span word="today">today</span>, <span word="its">its</span> <span word="wildlife">wildlife</span> <span word="population">population</span> <span word="is">is</span> <span word="just">just</span> <span word="as">as</span> <span word="popular">popular</span>. <span word="The">The</span> <span word="most">most</span> <span word="controversial">controversial</span> <span word="of">of</span> <span word="these">these</span> <span word="is">is</span> <span word="Yellowstone">Yellowstone</span> <span word="s">s</span> <span word="wolf">wolf</span> <span word="population">population</span>. <span word="Until">Until</span> <span word="recently">recently</span>, <span word="the">the</span> <span word="wolf">wolf</span> <span word="was">was</span> <span word="almost">almost</span> <span word="extinct">extinct</span>. </p><p>奇特的喷泉与印在明信片上的美丽景色使黄石国家公园闻名遐迩。但今天，这里的野生动物数量同样引人关注，其中最有争议的是黄石国家公园狼的数目。到最近，它们已濒临灭绝。</p>
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