A doctor checking passengers at a bus station in Hetien, China, May 2003
Alessandro Digaetano / LUZ / Redux
Read MorePhotograph: UN.org
Read MorePicture: Oscar Córdoba
Read MoreA doctor checking passengers at a bus station in Hetien, China, May 2003
Alessandro Digaetano / LUZ / Redux
Read MorePhotograph: UN.org
Read MorePicture: Oscar Córdoba
Read More