1. Photo by Satoru Kikuchi - http://www.flickr.com/photos/satoru_kikuchi/3792337931/

2. Photo by Kevin Dooley - http://www.flickr.com/photos/pagedooley/4289850727/

3. Photo by Liz Poage - http://www.flickr.com/photos/liz-grace/5078868809/

5. Photo by Neal Fowler - http://www.flickr.com/photos/31878512@N06/4941767047/

7. Photo by David Reeves - http://www.flickr.com/photos/dcreeves2000/147257996/

9. Photo by HVargas - http://www.flickr.com/photos/hvargas/2114683166/

14. Photo by *vlad* - http://www.flickr.com/photos/306/453957521/

15. Photo by skoeber - http://www.flickr.com/photos/asphericlens/5661878892/