During World War II, the skies above Europe and the Pacific were filled with more than just aircraft.
Anti-aircraft guns—flak—poured tens of thousands of explosive shells into the air every day, creating deadly clouds of steel to bring down enemy bombers.
But here’s a question most never ask: what happened to all that flak after it was fired?
In this video, we’ll uncover the surprising fate of all that metal, the science behind flak shells, and the very real dangers that lingered long after the sky battles ended.
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