Stereographic Projection of Maras: salt evaporation ponds
The stereographic projection of Maras is a mapping that projects a
plane image of it onto a sphere.
Maras, Cuzco, Peru
Maras is a town in the Sacred Valley of the Incas, 40 kilometers north of Cuzco,
Peru. The town is known for its salt evaporation ponds, which have been in use since Inca times. The salt-evaporation ponds are four kilometers north of the town, down a canyon that descends to the Rio Vilcanota and the Sacred Valley of the Incas. It is a tourist attraction in Peru.