What would happen if everyone on the ground stood as close to each other as possible and jumped, everyone landed on the ground at the same moment?

 
What would happen if everyone on the ground stood as close to each other as possible and jumped, everyone landed on the ground at the same moment? - Bounce, People, Land, Facts, The science, Education, Development, Interesting, Sciencepro, Planet, Nauchpop, Informative

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