Why don't foreigners come to Yunnan to travel?

What you want to ask is why foreigners don't come to Yunnan to travel. The reason for this is the following：

1. Traffic restrictions: It is difficult for foreigners to travel to Yunnan conveniently due to the restrictions of visa system, flight routes and traffic conditions.

2. Cultural differences: Yunnan's culture and customs are different from those of foreigners, and there are certain cultural barriers and communication difficulties.