provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor...
flickr.com/people/21446942@N00 Flickr user ID: 21446942@N00 publication date: 6 May 2014 described at URL: https://www.flickr.com/photos/vitor107/13938119187/...
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