
1) Mountain pass of China
Found on
https://www.crosswordclues.com/clue/biandukou

Biandukou ({zh|s=扁都口|p=Biǎndōukǒu}) is a pass with an elevation of over 3,500 m in the Qilian Mountains, China. It links Minle County of Gansu in the north and Qilian County of Qinghai in the south. Biandukou has been an important pass in the history. It could have been through here that the Chinese Buddhist traveler Faxian arrived in Zha...
Found on
http://en.wikipedia.org/wiki/Biandukou
No exact match found.