After harvesting quinoa, farmers have to thresh the seedheads and winnow the seeds to remove the husk, South-Western Bolivia, South America

Wife in pink sari, husband behind, driving three cows around pole to thresh harvested rice crop, Dhenkanal, Orissa (Odisha), India, Asia

Rice harvest, indonesia. Bali

Farmers harvest and thresh by hand in rice paddy fields, Antananarivo, Madagascar, Africa

Boy helping to thresh in central, indonesia.

Tajik farmers and their families thresh wheat with oxen and donkeys, in a side valley to the Panjshir Valley, in the Hindu Kush mountains, September 10, 2002. Agriculture is primitive and labor intensive in this remote valley. The Panjshir Valley and its side valleys have long been a stronghold for the Tajik people, and the famous commander Ahmed Shah Masood, in their struggle first against the Soviets and then against the Taliban. The Tajik are one of the larger ethnic groups in Afghanistan, second only to the Pashtun people.

Tajik farmers and their families thresh wheat with oxen and donkeys, in a side valley to the Panjshir Valley, in the Hindu Kush mountains.

A farmer using his donkey team to thresh barley on his farm near Maras on plateau above the Sacred Valley, north of Cuzco, Highlands, Peru

A farmer using his donkey team to thresh barley on his farm near Maras on plateau above the Urubamba River, north of Cuzco, Highlands, Peru