What nationality's musical instrument is Dongbula?

This instrument is the main traditional plucked instrument of Kazak nationality.

It occupies an important position in Kazakh culture and is also circulated and used by northern nomadic peoples such as Mongolian, Kirgiz and Oroqen. Dongbula is usually carved from a whole piece of wood, which is shaped like a guitar. It has two sound boxes and two strings, and its timbre is crisp and melodious. It is often used to accompany folk songs, play narrative poems and perform festival celebrations.