Panlong ancient road is one of most important branches of famous silk road which connects China and the central Asia countries. However, given its formidable natural conditions,it took tourists couple of days to climbs over Kunlun Mountains of 4000m high in ancient times. A new Panlong new road was completed in 2019. Tourists could easiliy drive through 70km-long road with 600 S-bends in two hours.