Blue Diamond
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Life Style
Why are they considered treasures of science?
If you visit the American National Museum of Natural History in Washington DC, don’t forget to stop by a collection…
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Thế Giới
Blue diamond “once in a thousand years” sold at a great price
Vien Diamond The world’s largest green tree ever auctioned was sold for nearly $57.5 million. “The De Beers Cullinan Blue”…
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