This document contains links to 12 photos on Flickr with attribution to the photographers. The photos cover a range of subjects and were taken by different photographers around the world.

2. Photo by Patrick - http://www.flickr.com/photos/adwriter/235437929/

3. Photo by Vinoth Chandar - http://www.flickr.com/photos/vinothchandar/6820565620/

4. Photo by Nick Wheeler - http://www.flickr.com/photos/nickwheeleroz/2205118143/

5. Photo by Darren Wittko - http://www.flickr.com/photos/disneyworldsecets/2745819129/

6. Photo by 55Laney69 - http://www.flickr.com/photos/hansel5569/8343077492/

7. Photo by PNNL - Pacific Northwest National Laboratory - http://www.flickr.com/photos/pnnl/6267563665/

8. Photo by David DeHetre - http://www.flickr.com/photos/davedehetre/4971418954/

9. Photo by Ahmad Hashim - http://www.flickr.com/photos/3ammo/8065196884/

10. Photo by Images Money - http://www.flickr.com/photos/59937401@N07/5856616883/

11. Photo by Luc Legay - http://www.flickr.com/photos/luc/4194493001/

12. Photo by Vincent - http://www.flickr.com/photos/vonschnauzer/3739891136/

13. Photo by Eric Wüstenhagen - http://www.flickr.com/photos/eriwst/2421129047/

14. Photo by Jason Hickey - http://www.flickr.com/photos/exquisitur/3168799156/