Edited by Breno Figueiredo, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) barloventomagico, some rights reserved (CC BY-NC-ND)
- 2. (c) Kentish Plumber, some rights reserved (CC BY-NC-ND)
- 3. (c) Robin Gwen Agarwal, some rights reserved (CC BY-NC), uploaded by Robin Gwen Agarwal
- 4. (c) Len Blumin, some rights reserved (CC BY-NC-ND)
- 5. (c) Javi Gonzalez, some rights reserved (CC BY-NC), uploaded by Javi Gonzalez
- 6. (c) Hugo, some rights reserved (CC BY-NC), uploaded by Hugo
- 7. (c) Nicolas Olejnik, some rights reserved (CC BY-NC), uploaded by Nicolas Olejnik
- 8. (c) Derek Keats, some rights reserved (CC BY)
- 9. (c) Jerry Oldenettel, some rights reserved (CC BY-NC-SA)
- 10. (c) Jorge Schlemmer, some rights reserved (CC BY-NC), uploaded by Jorge Schlemmer
- 11. (c) Frederico Acaz Sonntag, some rights reserved (CC BY-NC), uploaded by Frederico Acaz Sonntag
- 12. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 13. (c) Paul Joyce, some rights reserved (CC BY-NC)
- 14. (c) Lip Kee Yap, some rights reserved (CC BY-SA)
- 15. (c) Karina Avila, some rights reserved (CC BY-NC), uploaded by Karina Avila
- 16. (c) Darío Martínez, some rights reserved (CC BY-NC), uploaded by Darío Martínez
- 17. (c) Roberto González, some rights reserved (CC BY-NC), uploaded by Roberto González
- 18. (c) Taran Rampersad, some rights reserved (CC BY-NC-SA)
- 19. (c) Mike Allen, some rights reserved (CC BY-NC-SA)
- 20. (c) jeanmichel_moisant, some rights reserved (CC BY-NC), uploaded by jeanmichel_moisant
- 21. (c) Kent Miller, some rights reserved (CC BY-ND), uploaded by Kent Miller
- 22. (c) Dario Sanches, some rights reserved (CC BY-SA)
- 23. (c) Carmelo López Abad, some rights reserved (CC BY-NC), uploaded by Carmelo López Abad
- 24. (c) Aratinga_cactorum_-Brazil-8.jpg, some rights reserved (CC BY-SA)
- 25. (c) Bryan Jones, some rights reserved (CC BY-NC-ND)
- 26. (c) eduardovieira1301, some rights reserved (CC BY-NC), uploaded by eduardovieira1301
- 27. (c) lotlhmoq, some rights reserved (CC BY-NC-SA), uploaded by lotlhmoq
- 28. (c) Francesco Veronesi, some rights reserved (CC BY-NC-SA)
- 29. (c) André Adeodato, some rights reserved (CC BY-NC), uploaded by André Adeodato
- 30. (c) Kakalotli, some rights reserved (CC BY-NC), uploaded by Kakalotli
- 31. (c) Dave Govoni, some rights reserved (CC BY-NC-SA), uploaded by Dave Govoni
- 32. (c) Maggie.Smith, some rights reserved (CC BY-NC)
- 33. (c) Donají Graham, some rights reserved (CC BY-NC), uploaded by Donají Graham
- 34. (c) Bobby McCabe, some rights reserved (CC BY), uploaded by Bobby McCabe
- 35. (c) Eric Carpenter, some rights reserved (CC BY-NC), uploaded by Eric Carpenter
- 36. (c) Félix Uribe, some rights reserved (CC BY-SA)
- 37. (c) Steven Mlodinow, some rights reserved (CC BY-NC), uploaded by Steven Mlodinow
- 38. (c) Frank Schulenburg, some rights reserved (CC BY-SA)
- 39. (c) augur, some rights reserved (CC BY-NC)
- 40. (c) Cláudio Dias Timm, some rights reserved (CC BY-NC-SA)
- 41. (c) Nick Chill, some rights reserved (CC BY-NC-SA)
- 42. (c) daverowe, some rights reserved (CC BY-NC)
- 43. no rights reserved, uploaded by Kyle Nessen
- 44. (c) Bill Carrell, some rights reserved (CC BY-NC-ND), uploaded by Bill Carrell
- 45. (c) Bruno Durand, some rights reserved (CC BY-NC), uploaded by Bruno Durand
- 46. (c) Edwin Harvey, some rights reserved (CC BY-NC-SA)
- 47. (c) William Stephens, some rights reserved (CC BY), uploaded by William Stephens
- 48. (c) marcelo_allende, some rights reserved (CC BY-NC), uploaded by marcelo_allende
- 49. (c) mlhradio, some rights reserved (CC BY-NC)
- 50. (c) Nori Almeida, some rights reserved (CC BY)
- 51. (c) Greg Lasley, some rights reserved (CC BY-NC), uploaded by Greg Lasley
- 52. (c) Olaf Oliviero Riemer, some rights reserved (CC BY-SA)
- 53. (c) Paul Donahue, some rights reserved (CC BY-NC), uploaded by Paul Donahue
- 54. (c) Francisco Farriols Sarabia, some rights reserved (CC BY), uploaded by Francisco Farriols Sarabia
- 55. (c) Oswaldo Hernández, some rights reserved (CC BY-NC), uploaded by Oswaldo Hernández
- 56. (c) Célio Moura Neto, some rights reserved (CC BY)
- 57. (c) irene nobrega, some rights reserved (CC BY)
- 58. (c) bewambay, some rights reserved (CC BY-NC), uploaded by bewambay
- 59. (c) Ximo Galarza, some rights reserved (CC BY-NC-SA)
- 60. (c) Wagner Machado Carlos Lemes, some rights reserved (CC BY)
- 61. no rights reserved, uploaded by Diego Carús
- 62. (c) Douglas Bete, some rights reserved (CC BY-NC), uploaded by Douglas Bete
- 63. (c) markus lilje, some rights reserved (CC BY-NC-ND), uploaded by markus lilje
- 64. (c) Joaquim Coelho, some rights reserved (CC BY-NC-ND)
- 65. (c) Eden Fontes, some rights reserved (CC BY-NC), uploaded by Eden Fontes
- 66. (c) Norton Santos, some rights reserved (CC BY-NC), uploaded by Norton Santos
- 67. (c) eamonccorbett, some rights reserved (CC BY), uploaded by eamonccorbett
- 68. (c) JulaniPhotos, some rights reserved (CC BY)
- 69. (c) Lip Kee, some rights reserved (CC BY-SA)
- 70. (c) Ken Schneider, some rights reserved (CC BY-NC), uploaded by Ken Schneider