Mixed uses, a mixing of people, and mixing public and private, writes Meyer:
"Does a third place have to be in an accessible, privately controlled space, or must it be in an area open to the public? The answer, of course, is yes--it must be clean and secure, well managed, and open to all of good will. Great civic space can be publicly or privately owned, but the best places are often a combination of both."
Meyer uses Paley Park in New York as an example.
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