The document lists various photo credits for images used. It includes information about licenses such as Getty royalty-free and Creative Commons attribution. Each photo is linked to its respective online source.

1. Photo by Creatas - Getty Royalty-Free License http://www.gettyimages.com/Corporate/LicenseAgreements.aspx
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11. Photo by Josh Bancroft - Creative Commons Attribution-NonCommercial License http://www.flickr.com/photos/44124452748@N01
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16. Photo by viking_79 - Creative Commons Attribution-NonCommercial-ShareAlike License http://www.flickr.com/photos/28177041@N03
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