Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  Ụzọ: Site n'ebe ahụ, Changchun gafere Balasagun na Osimiri Shu, gafee osimiri ahụ gaa Talas na mpaghara Tashkent, wee gafee Syr Darya gaa Samarkand, ebe ọ kwụsịrị ruo ọnwa ole na ole. N'ikpeazụ, site n'Ọnụ Ụzọ Ámá Nkume nke Termit, gafee Osimiri Amu Darya, ma gafee Balkh na ebe ugwu Afghanistan, Changchun ruru n'ogige Genghis nke dị nso na Hindu Kush.  Ajụjụ: Olee ebe Changchun ruru?
Ogige Genghis