What are the advantages and disadvantages of Old Town of Lijiang's development?

Advantages: Old Town of Lijiang is a world cultural heritage. It is the only ancient city without walls in China, or two ancient cities in China that have been rated as world cultural heritage. This is the bright side. Disadvantages: Lijiang is located in the southwest mountainous area of the motherland. The traffic is not very developed and the hardware facilities are not comprehensive, which is not conducive to the overall development of tourism. This is the bad side.