Passengers ride a cable car that links downtown La Paz with El Alto, Bolivia, in September. The trip costs about 40 cents and takes 10 minutes — compared with 35 cents and a half-hour by minibus. Juan Karita/AP hide caption

itoggle caption Juan Karita/AP

Former Blackwater Worldwide guard Nicholas Slatten leaves federal court in Washington in June. Slatten on Wednesday was found guilty of first-degree murder in the deaths of 14 Iraqi civilians in 2007. Cliff Owen/AP hide caption

itoggle caption Cliff Owen/AP

A Canadian soldier who was shot outside the war memorial on Parliament Hill in tended to in Ottawa on Wednesday. Daniel Thibeaut/CBC/Reuters /Landov hide caption

itoggle caption Daniel Thibeaut/CBC/Reuters /Landov

Dr. Denis Mukwege (left) listens as Britain's Foreign Secretary William Hague speaks after the two men were presented Georgetown University's annual Hillary Rodham Clinton Award for Advancing Women in Peace and Security, at Georgetown University in Washington, in February. Mike Theiler/Reuters/Landov hide caption

itoggle caption Mike Theiler/Reuters/Landov

Pro-democracy protesters carrying portraits of Hong Kong Chief Executive Leung Chun-ying march to his residence in Hong Kong on Wednesday. Bobby Yip/Reuters/Landov hide caption

itoggle caption Bobby Yip/Reuters/Landov