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I UNLOCKED THE OBSIDIAN KNIFE in MODERN WARFARE
I UNLOCKED THE OBSIDIAN KNIFE in MODERN WARFARESubscribe to the channel for more Call of Duty Modern Warfare Warzone Gameplay ...
The New York Times1y
Yellowstone National Park’s Obsidian Cliff
Over about 11,500 years, the stone has been fashioned into deadly knives, razor-sharp spear points, arrowheads and darts for atlatls, or spear-throwers. The obsidian columns of Yellowstone have ...