in south africa's eastern cape province farmer john abbott sally and his family are picking the herb african the war would. be. everyone. in a moment also the have. something to eat. oh very important we've got a very very important lake in. the family can pick as many as 10 bags a day. you can find the plant all over the place it has been growing here for a long time and to the local farmers have been using it as a traditional medicine but now the demand is going up which is good for business here. back in the village they sell the plan for 4 years a back prices have increased along with demand for the herb there's a better place you know we like many believe form which can protect them from the koran of viruses although there's no scientific proof. i give him the fin some of these because this is a good look around and. say are you going to question i've been going on chinese knife lands for. parents oh come flowing into you feel weightless see. come clean you you know the right of you know one of the villagers also believe in warm words medicinal properties they've been using it f