Ｎanqi was located in the mountainous Sichun, where the water was tasted sweet but its quality was bad.

Whoever drinks the water will suffer from neck gall, no exceptions. Whenever there were outsiders came, there must be some kids and women surrrouded the visitors and laughed at them, "These outsiders are so funny. Their necks are so tiny, not like ours." The visitors retorted, "The swollen and bulging neck of yours is a defect of your body. You should find some medice to cure it; on the contrary, you think our necks are abnormal." The mocking guys laughed, "People here are all with the same necks, there is no need of caring about it." 

Finally, no inhibitants realized that their necks were ugly.