Rekha is one of the many caged prostitutes Mary Ellen Mark came to know as she photographed in the red-light district of Mumbai. Courtesy of Mary Ellen Mark Studio and Library hide caption

itoggle caption Courtesy of Mary Ellen Mark Studio and Library

In this photo from 2014, passengers walk past the Middle East respiratory syndrome quarantine area at Manila's International Airport in the Phillipines. The virus is now raising public concern in South Korea. Aaron Favila/AP hide caption

itoggle caption Aaron Favila/AP

Palestinian Jibril Rajoub (left) and Israeli Ofer Eini shook hands Friday after FIFA's member groups adopted a plan to work out problems between their soccer associations. FIFA TV/YouTube hide caption

itoggle caption FIFA TV/YouTube

The man who died of Lassa fever flew from West Africa to New York's John F. Kennedy Airport. Spencer Platt/Getty Images hide caption

itoggle caption Spencer Platt/Getty Images

Health workers collect the body of a cholera victim in Petionville, Haiti, February 2011. The cholera outbreak in Haiti began in October 2010. Nearly 9,000 people have died. David Gilkey/NPR hide caption

itoggle caption David Gilkey/NPR

Fish for sale in the fish market in Fraserburgh, Scotland. Ari Shapiro/NPR hide caption

itoggle caption Ari Shapiro/NPR

Protesters gathered on the steps of the New York Public Library on Wednesday to show support for silenced Chinese writers. Frank Franklin II/AP hide caption

itoggle caption Frank Franklin II/AP