Three Tarahumara women walk through a dry corn field due to drought in Chihuahua state in northern Mexico - stock photo

Sierra Tarahumara, Chihuahua, Mexico, January 17 -- Some women of the Indians Raramuri or Tarahumara ethnic group, among the oldest native populations of northern Mexico, in the Sierra Tarahumara of the Mexican state of Chihuahua, an area very affected by drought, famine and the consequences of climate change.