Yellowstone, First National Park in the World  
Yellowstone National Park is a national park located primarily in the U.S. state of Wyoming, although it also extends into Montana and Idaho. It was established by the U.S. Congress and signed into law by President Ulysses S. Grant on March...
    David Attenborough, English Naturalist  
Sir David Frederick Attenborough is an English broadcaster and naturalist. His career as the face and voice of natural history programmes has endured for 60 years. He is best known for writing and presenting the nine Life series, in conjunc...
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