IRAN, ARAK:  Iranian farmer using a sled pulled by a donkey and a cow to thresh wheat with the help of his wife near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK:  Iranian farmer using a sled pulled by a donkey and a cow to thresh wheat with the help of his family near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK:  Iranian farmer using a sled pulled by a donkey and a cow to thresh wheat with the help of his family near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK:  Iranian farmer, helped by his wife and daughter, using a sled pulled by oxen to thresh wheat near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK:  Iranian farmer using a sled pulled by oxen to thresh wheat as his wife and daughter help near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK:  Iranian farmer and his wife using a sled pulled by a donkey and a cow to thresh wheat near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK:  Iranian farm family harvest wheat by hand using a scythe and stacking it in sheaths in baskets near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
GUATEMALA, BELLA VISTA: Faviana Maldonar in traditional Mam Mayan dress of handwoven huipil, corte, and cinta and her wheelchair-bound husband Manuel (who was paralyzed during the Guatemalan Civil War) in their adobe home in the northwestern highlands of Guatemala.
PERU, CHINCHERO:  Elderly Quechua couple have brought eggs from their village to swap for fava beans at the Sunday market in the village of Chinchero in the Sacred Valley of Peru.
IRAN, ARAK: Iranian farmer using a sled pulled by a donkey and a cow to thresh wheat with the help of his wife near Arak, Iran, in the high mountain plateau of the Zagros Mountains. Archival photo from 1978.
IRAN, ARAK:  Iranian farmer using a sled pulled by a donkey and a cow to thresh wheat with the help of his wife near Arak, Iran, in the high mountain plateau of the Zagros Mountains.  Archival photo from 1978.
IRAN, ARAK: Iranian farmer using a sled pulled by a donkey and a cow to thresh wheat with the help of his wife near Arak, Iran, in the high mountain plateau of the Zagros Mountains. Archival photo from 1978.
See photo in original gallery.