Emblematic of centuries of river transportation,the Paizi,or goatskin raft has been making a comeback,thanks to tourism and the growing interest in the historical past.This ancient method of transportation was used to ferry people and goods downstream on the Yellow River.Practical,the Paizi was easy to make and,unlike wooden rafts,could be deflated,folded up and carried away when not needed.Quite natural,too,because goats were plentiful Emblematic of centuries of river transportation, the Paizi, or goatskin raft has been made a comeback, thanks to tourism and the growing interest in the historical past.This ancient method of transportation was used to ferry people and goods downstream on the Yellow River.Practical , the Paizi was easy to make and, unlike wooden rafts, could be deflated, folded up and carried away when not needed.Quite natural, too, because goats were plentiful