In Mexico City on Wednesday, people march to demand justice for 43 missing students. Mexican authorities ordered the arrest of the mayor of Iguala and his wife in connection with the attack. Yuri Cortez/AFP/Getty Images hide caption

itoggle caption Yuri Cortez/AFP/Getty Images

Thai surrogate mother Pattaramon Chanbua with her baby Gammy, who was born with Down Syndrome. An Australian couple who'd arranged for Pattaramon to serve as their surrogate rejected the child. Nicolas Asfouri/AFP/Getty Images hide caption

itoggle caption Nicolas Asfouri/AFP/Getty Images

A customer sets up her new iPhone 6 at an Apple store in Beijing on Friday. A group says the Chinese government backed an attack against users of Apple's iCloud service, but the government denies the claim. Feng Li/Getty Images hide caption

itoggle caption Feng Li/Getty Images

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