A woman using two stones to grind grain in to flour, Uganda, Africa

A woman using two stones to grind grain in to flour, Uganda, Africa

Prehistoric Quorns for grinding grain, Jarlshof, Shetland, Shetland Islands, Scotland, United Kingdom, Europe

Woman grinding argan seeds to get oil, Saadia family, Tagante village, Anti-Atlas, Morocco

Skilled craftsmen at work making Pietra Dura souvenirs using traditional old-fashioned grinding wheel in Agra, India

Husk mill, historic olive oil press with granite millstones used until 1970s now a heritage monument to a former industrial past, village of Alvito, Beja district, Baixa Alentejo, Portugal, Europe

Drinking pool and decorated grinding stone at excavated site of pre-Columbian city, Guayabo National Monument, Turrialba, Costa Rica, Central America

arbore tribe in Ethiopia

An old stone grist mill in the ancient town of Furong, China.

Production of natural colour, dye, Oaxaca, Mexico

Olive oil stone grinding mill wheel, Museum for olive oil production, Bethlehem, Palestine, Western Asia

Moeraki Boulders, Moeraki, Soth Island, New Zealand

A still life with an ancient stone Metate (A flat stone with a slightly concave surface, used with another stone for grinding cocoa seeds) and raw cocoa, chocolate, cocoa beans, cabosse, assorted spices and different types of sugar.

Old Millstone From The Time Of Christ That Was Uncovered In Capernaum On The North Shore Of The Sea Of Galilee, This Grinding Wheel Which Could Work Even Today, Capernaum, Israel