Australia's Great Barrier Reef is 1,250 miles long!
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Every person in the world can fit in Texas and be given over 1000 sq ft in which to live.
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One cubic mile of seawater contains about 50 pounds of gold.
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The water between India and Sri Lanka is only 3-30 feet deep and was purportedly passable on foot until 1480 AD when a cyclone moved some sand around.
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The Amazon rainforest produces more than 20% the world's oxygen supply.
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Longest officially recognized place name is Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.
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