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The 10 most pristine places on Earth

By: OurAmazingPlanet Inc. on April 25, 2011, 7:42 p.m.

Photo: Namib Rand Nature Reserve in the Namib Desert. (Photo: Dreamstime)

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Namibia is one of the most sparsely populated countries in the world. The southern African country gets its name comes from the Namib Desert, and it's home to the largest number of cheetahs — about 2,500 individuals, or a quarter of the world's total cheetah population. With giant dunes, ancient petroglyphs, craters and waterfalls, Namibia is one of the most untouched landscapes in Africa. It's also one of the only countries to preserve the health of its ecosystem in its constitution.