So in 1235, Genghis's son, Ogodei, began building a city near the Orkhon River, on the wide-open plains.
因此，在1235年，成吉思汗的儿子，窝阔台，开始在鄂尔浑河附近的一块开阔平原建造城市。
2
They were first active in the Selenga and Orkhon river basins, and later moved to the north of the Tura river.
最初活动于色楞格河和鄂尔浑河流域，后迁居土拉河北。
3
It is believed that individual instrumentalists may have been mentioned in the 8th century Orkhon inscriptions, the oldest written sources of the people who would eventually become the modern Turks.