1. Fotos de 2013

2. John Tlumacki. Boston, Mass., USA. April 15, 2013.

3. DAN LAMPARIELLO, United States April 15, 2013

4. Tim Holmes. Dunalley, Australia. Jan. 4, 2013

5. David Jenkins. Seal Island, South Africa. July 26, 2013

6. Mosa'abElshamy. Cairo, Egypt. July 27, 2013

7. ERIK DE CASTRO, Philippines Nov. 10, 2013

8. Philippe Lopez, Tolosa, Leyte, The Philippines. Nov. 18, 2013

9. JOHN KOLESIDIS, Greece, February 22, 2013

10. MUZAFFAR SALMAN, Syria Jan. 3, 2013

11. ADREES LATIF, Oklahoma, United States May 21, 2013

12. | LUCAS JACKSON, Oklahoma, United States May 27, 3013

13. STEFANO RELLANDINI, Italy Oct. 16, 2013

14. http://www.dailymail.co.uk/news/article-2516663/The-astonishing-pictures-2013-http://www.dailymail.co.uk/news/article-2516663/The-astonishing-pictures-2013- enowned-news-agency-releases-best-photographs-defining-moments-year.html

15. Reuters, Jan. 21, 2013

16. Reuters, Sept. 19, 2013

17. Keith Ellison, October 11, 2013, Washington, D.C.

18. EMILIO LAVANDEIRA/AFP/Getty Images July 24, 2013 , Santiago de Compostela, España

19. Nikita Plekhanov Russia, Feb. 13, 2013

20. Reuters, March 17, 2013

21. Reuters, July 12, 2013, Pamplona, Españ

22. http://smithsonianscience.org/2013/02/russian-meteor-qa-with-a-smithsonian-expert/http://smithsonianscience.org/2013/02/russian-meteor-qa-with-a-smithsonian-expert/ http://www.huffingtonpost.com/2013/07/25/spain-train-crash-video_n_3651445.html#slide=2741535 http://lightbox.time.com/2013/12/02/time-picks-the-top-10-photos-of-2013/#1 http://blogs.reuters.com/fullfocus/2013/12/01/best-photos-of-the-year-2013/#a=1 http://www.dailymail.co.uk/news/article-2516663/The-astonishing-pictures-2013-Renowned-news-agency-releases-best-photographs-defining-moments-year.html http://www.neontommy.com/news/2013/10/7-potential-long-term-impacts-government-shutdown