Yang Fen Glan is on trial in Dar es Salaam, accused of leading one of Africa’s biggest ivory smuggling rings. Her case threatens to expose the illegal network behind elephant poaching as Tanzanian authorities work to end ivory trade routes to the Far East and the Chinese — after years of prodding — ban ivory sales. Still, “Hong Kong is one of the big global centers for the ivory trade,” says Gavin Edwards, Director of Conservation at the World Wildlife Fund in Hong Kong.