Zoos: public places to view private lives.
Benbow
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SM
D000818:Animals; D000836:Animals, Zoo / Q000523:psychology; D049673:History, 20th Century; D006801:Humans; D011633:Public Facilities / Q000145:classification / Q000941:ethics / Q000266:history; D012924:Social Conditions / Q000266:history / Q000639:trends; D013672:Technology / Q000266:history / Q000639:trends; D014481:United States