Could it be that cities are "our greatest invention" -- that, despite a reputation as black-soot-spewing engines of doom, they in fact make us richer, smarter, happier and (believe it!) greener?
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Could it be that cities are "our greatest invention" -- that, despite a reputation as black-soot-spewing engines of doom, they in fact make us richer, smarter, happier and (believe it!) greener?