- Vast curtain of grassland from Hungary to Manchuria
- Historical significance derived from use of horses
- People of the Yamnaya culture were first to take advantage
- Starting from around 3000 BCE, used horses and wheeled carts
- Geneticists have found second cousins buried almost 900 miles apart
- Descendants were in Europe, India, Near East, western China
- By seventh century BCE, Scythians occupied western end
- Around 200 BCE, Xiongnu occupied eastern end and collected payment from Han