Edited by Noeliria Noe, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) avocat, some rights reserved (CC BY-NC), uploaded by avocat
- 2. (c) Mattia Menchetti, some rights reserved (CC BY), uploaded by Mattia Menchetti
- 3. (c) AnneTanne, some rights reserved (CC BY-NC)
- 4. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 5. (c) harnest600, some rights reserved (CC BY-NC)
- 6. (c) Salomé, some rights reserved (CC BY-NC-SA)
- 7. (c) Mary Joyce, some rights reserved (CC BY-NC), uploaded by Mary Joyce
- 8. (c) Drepanostoma, some rights reserved (CC BY-NC), uploaded by Drepanostoma
- 9. (c) mattia_belfiore, some rights reserved (CC BY-NC), uploaded by mattia_belfiore
- 10. (c) José Ignacio Márquez Corro, some rights reserved (CC BY-NC), uploaded by José Ignacio Márquez Corro
- 11. (c) Nacho Pintos, some rights reserved (CC BY)
- 12. (c) javisahun, some rights reserved (CC BY-NC)
- 13. (c) Matt Lavin, some rights reserved (CC BY-SA)
- 14. (c) Alfonso Gutiérrez Aldana, some rights reserved (CC BY-NC), uploaded by Alfonso Gutiérrez Aldana
- 15. (c) Ferran Turmo Gort, some rights reserved (CC BY-NC-SA)
- 16. no rights reserved, uploaded by George O'Can
- 17. (c) Gianmaria Marchese, some rights reserved (CC BY-NC), uploaded by Gianmaria Marchese
- 18. (c) Gianni Del Bufalo, some rights reserved (CC BY), uploaded by Gianni Del Bufalo
- 19. (c) Andreas Rockstein, some rights reserved (CC BY-SA)
- 20. (c) Carmen Acedo, some rights reserved (CC BY-NC), uploaded by Carmen Acedo
- 21. (c) Trashgul, some rights reserved (CC BY-NC-ND)
- 22. no rights reserved, uploaded by Stephen James McWilliam
- 23. (c) Xevi V, some rights reserved (CC BY-NC-SA)
- 24. (c) Claire Woods, some rights reserved (CC BY-NC-ND)
- 25. (c) Stefano Doglio, some rights reserved (CC BY-NC), uploaded by Stefano Doglio
- 26. (c) Xavier Ma Ma, some rights reserved (CC BY-NC), uploaded by Xavier Ma Ma
- 27. (c) Valter Jacinto, some rights reserved (CC BY-NC-SA)
- 28. no rights reserved, uploaded by Aaron Iemma
- 29. (c) Fabien Piednoir, some rights reserved (CC BY-SA), uploaded by Fabien Piednoir
- 30. (c) Wayfinder_73, some rights reserved (CC BY-NC-ND)
- 31. (c) Manuel Martín Vicente, some rights reserved (CC BY)
- 32. (c) Isidre blanc, some rights reserved (CC BY-SA)
- 33. (c) Michael Wunderli, some rights reserved (CC BY)
- 34. (c) Antonio, some rights reserved (CC BY-SA)
- 35. (c) Bas Kers, some rights reserved (CC BY-NC-SA)
- 36. (c) esra-ergin, some rights reserved (CC BY-NC), uploaded by esra-ergin
- 37. (c) Thomas Koffel, some rights reserved (CC BY-NC), uploaded by Thomas Koffel
- 38. no rights reserved, uploaded by Peter de Lange
- 39. (c) Donkey shot, some rights reserved (CC BY-SA)
- 40. (c) Arturo Nikolai, some rights reserved (CC BY-NC-SA)
- 41. (c) Juan Rafael Rodríguez Razgado, some rights reserved (CC BY), uploaded by Juan Rafael Rodríguez Razgado
- 42. (c) Wildlife Travel, some rights reserved (CC BY-NC)
- 43. (c) chrisi_01, some rights reserved (CC BY-NC)
- 44. (c) Prem Rose, some rights reserved (CC BY-NC), uploaded by Prem Rose
- 45. (c) Joan Simon, some rights reserved (CC BY-SA)
- 46. (c) Anne H, some rights reserved (CC BY), uploaded by Anne H
- 47. (c) Patrice78500, some rights reserved (CC BY-SA)
- 48. (c) Anne Parsons, some rights reserved (CC BY-NC), uploaded by Anne Parsons
- 49. (c) Luis Fernández García, some rights reserved (CC BY-SA)
- 50. (c) Cassiopée2010, some rights reserved (CC BY-NC-SA)
- 51. (c) Xemenendura, some rights reserved (CC BY)
- 52. (c) Jordi M-R, some rights reserved (CC BY), uploaded by Jordi Moreno-Romero
- 53. (c) elliegilchrist, some rights reserved (CC BY-NC)
- 54. (c) David Renoult, some rights reserved (CC BY-NC), uploaded by David Renoult
- 55. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
- 56. (c) Jim Morefield, some rights reserved (CC BY), uploaded by Jim Morefield
- 57. (c) daviddelgiudice, some rights reserved (CC BY-NC), uploaded by daviddelgiudice
- 58. (c) Diego Tamayo, some rights reserved (CC BY-NC), uploaded by Diego Tamayo
- 59. (c) KC McKenz, some rights reserved (CC BY-ND)
- 60. (c) Santi Duarte, some rights reserved (CC BY-NC)
- 61. (c) Jaume Torán, some rights reserved (CC BY-NC-SA)
- 62. (c) James Gaither, some rights reserved (CC BY-NC-ND)
- 63. (c) Peggy Romfh, some rights reserved (CC BY-NC), uploaded by Peggy Romfh
- 64. (c) Kim, Hyun-tae, some rights reserved (CC BY), uploaded by Kim, Hyun-tae
- 65. (c) Pere prlpz, some rights reserved (CC BY-SA)
- 66. (c) ishaip, some rights reserved (CC BY-SA)
- 67. (c) Kentish Plumber, some rights reserved (CC BY-NC-ND)
- 68. (c) maxb, some rights reserved (CC BY-NC), uploaded by maxb
- 69. (c) Katie Claypoole, some rights reserved (CC BY-ND)
- 70. (c) Katrin, some rights reserved (CC BY-NC), uploaded by Katrin
- 71. (c) Michael Kappel, some rights reserved (CC BY-NC)
- 72. (c) .Bambo., some rights reserved (CC BY-NC-SA)
- 73. (c) Scamperdale, some rights reserved (CC BY-NC-SA)
- 74. (c) Steve Chilton, some rights reserved (CC BY-NC-ND)
- 75. (c) Spencer Holmes, some rights reserved (CC BY-NC), uploaded by Spencer Holmes
- 76. (c) Julien Renoult, some rights reserved (CC BY), uploaded by Julien Renoult
- 77. (c) Stefan.lefnaer, some rights reserved (CC BY-SA)
- 78. (c) Luis Mata, some rights reserved (CC BY-NC-SA)
- 79. (c) science7c17, some rights reserved (CC BY-NC)
- 80. (c) Jason Whittle, some rights reserved (CC BY-NC-ND), uploaded by Jason Whittle
- 81. (c) Arturo Arenas, some rights reserved (CC BY-NC-ND), uploaded by Arturo Arenas
- 82. (c) Aleksandr Ebel, some rights reserved (CC BY-NC), uploaded by Aleksandr Ebel
- 83. (c) jacinta lluch valero, some rights reserved (CC BY-SA)
- 84. (c) catchang, some rights reserved (CC BY-NC), uploaded by catchang