The Yamna culture (Ямна культура, Ямная культура, `Pit [Grave] Culture`, from Russian/Ukrainian яма, `pit`) is a late copper age/early Bronze Age culture of the Southern Bug/Dniester/Ural region (the Pontic steppe), dating to the 36th–23rd centuries BC. The name also appears in English as Pit Grave Culture or Ochr...