G. Hoffmann with the Most Difficult Award To Get

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*NEW* Utrecht for ALL - INSANE Strong if you Bomb the right targets

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Des Moines - CLEANS UP on Two Brothers

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How a World War Two Submarine Works

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Skilled US Pilot Pushes C-5 Engines to Extreme Limits During Insane Takeoff

21:25
How Every Country Got Nuclear Weapons Explained

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All Dams Are Temporary

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Stacking 5 Peltier Modules, and Reached -90℃

19:17