Optical illusion to aid aerial warfare in Berlin, Germany. HD Stock Footage
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Optical illusion to aid aerial warfare in Berlin, Germany.
Men spread a large piece of cloth which shows dark figure of an aircraft painted on cloth. Aircraft parked in the background on field. Aircraft in flight with the cloth hanging beneath which looks like two planes in flight. Cloth is detached from plane while aircraft flies. Piece of cloth falls down. Location: Berlin Germany. Date: January 5, 1931.
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