Two cameras are posed symbolically during a memorial service for photojournalists Tim Hetherington and Chris Hondros held in Benghazi on April 21. Odd Anderson/AFP/Getty Images hide caption

itoggle caption Odd Anderson/AFP/Getty Images

Photo combination: photographer Tim Hetherington (L) climbing from a building in Misrata, Libya, on Wednesday, and American photographer Chris Hondros in Misrata on Monday. Phil Moore/AFP/Getty Images hide caption

itoggle caption Phil Moore/AFP/Getty Images