The document contains a collection of photo credits with links to their respective sources on Flickr. Each entry is attributed to different photographers, showcasing a variety of images. The focus is on providing attribution for the photographs listed.

1. Photo by Ingrid Richter - http://www.flickr.com/photos/ikrichter/7467146738/

4. Photo by joiseyshowaa - http://www.flickr.com/photos/joiseyshowaa/3044887299/

5. Photo by Kevin Hale - http://www.flickr.com/photos/unfoldedorigami/8278568674/

6. Photo by VeloBusDriver - http://www.flickr.com/photos/thelebers/3548934257/

8. Photo by Lars Plougmann - http://www.flickr.com/photos/criminalintent/5559614794/

9. Photo by Niklas Bildhauer - http://www.flickr.com/photos/smutjespickles/2434418686/

11. Photo by Dean McCoy - http://www.flickr.com/photos/deanmccoyphotos/5493432536/

12. Photo by Tristan Martin - http://www.flickr.com/photos/mukumbura/4043364183/

13. Photo by ccarlstead - http://www.flickr.com/photos/cristic/369634461/

15. Photo by Manuel MartÃ-n Vicente - http://www.flickr.com/photos/martius/9694006089/

16. Photo by VFS Digital Design - http://www.flickr.com/photos/vfsdigitaldesign/6077558810/

17. Photo by d_pham - http://www.flickr.com/photos/d_pham/8204140806/

18. Photo by Horia Varlan - http://www.flickr.com/photos/horiavarlan/4290549806/

19. Photo by Geoff Livingston - http://www.flickr.com/photos/geoliv/4472253392/