Rare ‘Mellon Blue’ diamond expected to fetch up to $30 million at auction

A Christie's employee displays the Mellon Blue, a fancy vivid blue pear-shaped diamond of 9.51 carats, during a preview at ...
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Sky Adventures on the Flyboard Air

This cinematic short captures the thrill of flight using the Flyboard Air. Filmed in 4K, it showcases the freedom of soaring ...