Since the late 1950s considerable investment was made in setting up a state-run caravan to help the Drung ethnic people meet their basic needs.The caravan once had as many as 500“hinnies,”and some 600 tons of food and other goods used to be transported to the Dulongjiang annually.Ever since the highway connecting Gongshan Mountain with Dulongjiang Since the late 1950s excessive investment was made in setting up a state-run caravan to help the Drung ethnic people meet their basic needs. Caravan once had as many as 500 “hinnies, ” and some 600 tons of food and other goods used to be transported to the Dulongjiang annually. Ever since the highway connecting Gongshan Mountain with Dulongjiang