A girl sits on a tractor in the Mennonite community of Buenos Aires, Janos, Chihuahua, Mexico on September 29, 2012. Mennonites generally finish school by the age of 12. It is not uncommon to see a child younger than 10 operating a tractor or driving a horse-drawn buggy on the white, dusty roads within the community. (Photo by Jose Luis Gonzalez/Reuters)
