In this fourth and final episode, Sue reaches her final destination, China, home to the source of the Mekong. She reaches the town of Baisha, a region famous for its botanists and herbalists.
Sue starts her journey in Vietnam, where she sells noodle soup at a floating market, before visits the tragic Killing Fields of Cambodia. 1/4
As deforestation and wildlife crime strip Cambodia of its last wild places, Sue goes on a raid with the Wildlife Rapid Response Rescue team. 2/4
In Laos, Sue spends time with a fisherman who has set up a restaurant on the beach and learns about the controversial Xayaburi hydro electric dam. 3/4