Overview:
Dallas learns how people in crowds can cooperate subconsciously. Liz learns how architects can control the flow of crowds. Jem talks to some scientists who are attempting to understand how crush injuries can occur. Johnny Ball shows how biologists measure population size.
Genre : Family, Documentary
Actors : Liz Bonnin, Dallas Campbell, Jem Stansfield
Release Date : 2012-04-02
Duration : 30 menit
Rating : ⭐ 0/10 (0 votes)
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