Niger Photo: Salt-Makers
Photo: Niger
Photograph by George Steinmetz
Sweat produces salt at Teguidda-n-Tessoumt in Niger. Laborers mix briny well water with salty earth, then place the mud in small depressions for evaporation.


SPECIAL ADVERTISING SECTION
Photo: Puerto Escondido
Visit Mexico with this interactive map.
Photo: 2007 Grand Prize Winner
Share your shots and you could win a trip to the Grand Canyon!
National Geographic
Expeditions
Photo: Greek ruins
Travel with some of the most prominent specialists in the world.