1) Mountain pass of China 
[town] == Layout == Niangziguan is made up of Big Mouth Village (大口村）, Small Mouth Village (小口村) and Village of Niangziguan. These three villages are located end-to-end in either bank of the 2000-meter-long Mianshui River. Most of the villagers are the generations of the soldiers who migrated to guard the pass in Qing Dynasty....