Edited by Paulo Alves, some rights reserved (CC BY-SA)
Photo Credits
- 1. (c) Don Loarie, some rights reserved (CC BY)
- 2. (c) Kostas Zontanos, some rights reserved (CC BY-NC), uploaded by Kostas Zontanos
- 3. (c) Bastiaan, some rights reserved (CC BY-NC-ND)
- 4. (c) Ken-ichi Ueda, some rights reserved (CC BY), uploaded by Ken-ichi Ueda
- 5. (c) reddad, some rights reserved (CC BY-NC), uploaded by reddad
- 6. (c) esra-ergin, some rights reserved (CC BY-NC), uploaded by esra-ergin
- 7. (c) Grahame, some rights reserved (CC BY-NC-ND), uploaded by Grahame
- 8. (c) José María Escolano, some rights reserved (CC BY-NC-SA)
- 9. (c) Pablo de la Fuente Brun, some rights reserved (CC BY-NC), uploaded by Pablo de la Fuente Brun
- 10. (c) Marty, some rights reserved (CC BY-NC-ND), uploaded by Marty
- 11. (c) jodyhsieh, some rights reserved (CC BY-NC)
- 12. (c) Luis nunes alberto, some rights reserved (CC BY-SA)
- 13. (c) Stefano Doglio, some rights reserved (CC BY-NC), uploaded by Stefano Doglio
- 14. (c) Markus Krieger, some rights reserved (CC BY), uploaded by Markus Krieger
- 15. (c) jf920, some rights reserved (CC BY-NC), uploaded by jf920
- 16. (c) Giuseppe Buscemi, some rights reserved (CC BY-NC), uploaded by Giuseppe Buscemi