Wikimedia | Crain's Philadelphia
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https://commons.wikimedia.org/wiki/File:NYC_-_New_York_Stock_Exchange.JPG
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Photographer: 
Jean-Christophe
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https://commons.wikimedia.org/wiki/Special:ListFiles?limit=50&user=Jean-Christophe+BENOIST
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Creative Commons Attribution-Share Alike 3.0 Unported
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https://creativecommons.org/licenses/by-sa/3.0/legalcode