https://www.flickr.com/people/13102974@N00 publication date: 25 January 2009 described at URL: https://www.flickr.com/photos/sixteenmilesofstring/3223674409/
https://www.flickr.com/people/infomatique/ publication date: 6 December 2009 operator: Flickr described at URL: https://www.flickr.com/photos/infomatique/4163473083