Dr. Ninh Khac Ban shows workshop participants how to identify "may sap" (Calamus dioicus), one of at least 20 local rattans at the Song Thanh Nature Reserve in Vietnam. After learning how to identify the species, we will head into the forest to inventory wild populations of rattan. I doubt that everyone will look as fresh and neat in the transect photos. [NOTE: Posted from an internet cafe in Thanh My].