1963 Peru Quechua man and woman laying out their potato crop so it would freeze overnight to make chuño - a form of freeze dried potato - on the plain of Anta near Chinchero at an altitude of 3,700 metres, about 30kms from Cusco. The snowcap peak of Salcantay overlooks the plain and Lake Piuri. The photo was taken just as the light was fading and the temperature was already close to zero.

Camera: Canonflex R2000 Super Canonmatic R 135m F 2.5 lens. Film - Kodachrome X 64 ASA F.5.6 1/250 second. Developed in USA.

Negative: PJB0018 © Tony Morrison