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They believe that planes come from paradise---their ancestors sent them. But the white man, a crafty pirate, manages to get his hands on them by attracting them into a big trap of an airport. You build your plane too, and wait with faith. Sooner of later, your ancestors will discover the white man's trap and will guide the planes on your landing strip. Then you will be rich and happy. --- Narration from the film Mondo Cane , 1962
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Lars Erik Holmquist (2005) studied this question.
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