the rhino horn for medicine. this more fighting practice is usually conducted in the shadows of the plaque market >> this is a very valuableroduct-- black market >> it sells higher than gold. >> the demand for rhino horn has poached the species to the brink of extinction. >> her face was hacked off >> why in the 21st century ancient myths are set to destroy animals. it is said that the horn cures disease. it is a status symbol in vietnam where there is more new wealth and use of rhino. it isn't just used the way the previous generation did. this group of friends mixing it with their drinks during a night of partying. a recent report by traffic, a wildlife trade monitoring group, suggested the use of rhino horn amongst wealthy urban vietnamese men is now one of the major drivers of rhino poaching. with demand high, prices are soaring. this man told us he could afford the habit. traditions don't dire here. they take on new forms. rhino horn is illegal in vietnam, but techknow arranged a rare on-camera interview with this former user. >> he told techknow that he used it to treat an illness that left lumps on his arms but quit