Shanjean Lee asks a Quechua woman for directions to the boulders.

Mardonio Borda is a 19-year-old native Quechua with broken Spanish and a sixth-grade education.

In addition to Spanish and the native language of Quechua, he spoke English and French.

Glaciers, another source of water for the Quechua, have also been affected by warming temperatures.

In the south, Aymara is chiefly spoken; but further north, Quechua is the commoner language.