<http://schema.org/alternativeHeadline>
"It\u2019s obvious from human history that people have long found unique value in living and working in cities, even if for reasons they couldn\u2019t quite articulate."^^<http://www.w3.org/2001/XMLSchema#string>
<http://qz.com/92232/this-chart-explains-why-cities-are-centers-of-innovation/>