Edited by David Sarkozi, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Katja Schulz, some rights reserved (CC BY)
- 2. (c) Anthony Mendoza, some rights reserved (CC BY-NC-SA)
- 3. (c) Stan Shebs, some rights reserved (CC BY-SA)
- 4. (c) David Greenberger, some rights reserved (CC BY-NC-ND), uploaded by David Greenberger
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- 6. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 7. (c) Gravitywave, some rights reserved (CC BY-NC-SA)
- 8. (c) Richard Reynolds, some rights reserved (CC BY-NC), uploaded by Richard Reynolds
- 9. (c) Carlos G Velazco-Macias, some rights reserved (CC BY-NC), uploaded by Carlos G Velazco-Macias
- 10. (c) Tony Frates, some rights reserved (CC BY-NC-SA)
- 11. (c) Bryan, some rights reserved (CC BY-NC), uploaded by Bryan
- 12. (c) Corey Lange, some rights reserved (CC BY-NC), uploaded by Corey Lange
- 13. (c) Matthew High, some rights reserved (CC BY-NC)
- 14. (c) Duarte Frade, some rights reserved (CC BY), uploaded by Duarte Frade
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- 16. (c) Steve Ganley, some rights reserved (CC BY-NC), uploaded by Steve Ganley
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- 18. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 19. (c) Andy Newman, some rights reserved (CC BY-NC), uploaded by Andy Newman
- 20. (c) Katja Schulz, some rights reserved (CC BY-NC)
- 21. (c) troney, some rights reserved (CC BY-NC), uploaded by troney
- 22. (c) C Ross, some rights reserved (CC BY-NC), uploaded by C Ross
- 23. (c) ellen hildebrandt, some rights reserved (CC BY-NC), uploaded by ellen hildebrandt
- 24. (c) letebile, some rights reserved (CC BY-NC-ND), uploaded by letebile
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- 26. (c) Chuck Sexton, some rights reserved (CC BY-NC), uploaded by Chuck Sexton
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- 28. (c) Eran Finkle, some rights reserved (CC BY)
- 29. (c) trevko, some rights reserved (CC BY-NC), uploaded by trevko
- 30. (c) Natasha Moore, some rights reserved (CC BY-NC), uploaded by Natasha Moore
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- 33. (c) Are W, some rights reserved (CC BY-NC-SA)
- 34. (c) Matthew Allen, some rights reserved (CC BY-NC), uploaded by Matthew Allen
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- 36. (c) Danny Barron, some rights reserved (CC BY-NC-ND)
- 37. (c) Cullen Hanks, some rights reserved (CC BY-NC), uploaded by Cullen Hanks
- 38. (c) Brent Franklin, some rights reserved (CC BY-NC), uploaded by Brent Franklin
- 39. (c) amy_buthod, some rights reserved (CC BY-NC-SA)
- 40. (c) Luis Rodriguez, some rights reserved (CC BY-NC), uploaded by Luis Rodriguez
- 41. (c) Paola Garcini, some rights reserved (CC BY-NC), uploaded by Paola Garcini
- 42. (c) Natalie McNear, some rights reserved (CC BY-NC)
- 43. (c) Pedro Nájera Quezada, some rights reserved (CC BY-NC), uploaded by Pedro Nájera Quezada
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- 46. (c) Eréndira Canales, some rights reserved (CC BY-NC-SA), uploaded by Eréndira Canales
- 47. (c) Roberto R. Calderón, some rights reserved (CC BY-NC), uploaded by Roberto R. Calderón
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- 49. (c) Victor W Fazio III, some rights reserved (CC BY-NC), uploaded by Victor W Fazio III
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- 52. (c) 104623964081378888743, some rights reserved (CC BY-NC), uploaded by 104623964081378888743
- 53. (c) Enrique Perez Carrillo, some rights reserved (CC BY-NC), uploaded by Enrique Perez Carrillo
- 54. (c) Neptalí Ramírez Marcial, some rights reserved (CC BY), uploaded by Neptalí Ramírez Marcial
- 55. (c) Anthony, some rights reserved (CC BY-NC), uploaded by Anthony
- 56. (c) gzcmadelinerangel, some rights reserved (CC BY-NC), uploaded by gzcmadelinerangel
- 57. (c) Dominic, some rights reserved (CC BY), uploaded by Dominic
- 58. (c) Sam Kieschnick, some rights reserved (CC BY), uploaded by Sam Kieschnick
- 59. (c) scott.zona, some rights reserved (CC BY)
- 60. (c) Ada Czerwonogora, some rights reserved (CC BY-NC-SA)
- 61. no rights reserved, uploaded by Patrick Alexander
- 62. (c) Nathan Taylor, some rights reserved (CC BY-NC), uploaded by Nathan Taylor
- 63. (c) C. Mallory, some rights reserved (CC BY-NC), uploaded by C. Mallory
