konghou in the murals of the Northern Wei Dynasty in Cave 431 of the MogaoGrottoes in Dunhuang is approximately bow-shaped, with seven strings and different
DescriptionDunhuangMogao Ku 2013.12.31 12-30-18.jpg 中文(中国大陆):敦煌莫高窟 English: DunhuangMogaoGrottoes Date 31 December 2013, 12:30:18 Source Own work Author