China

In this fourth and final episode, Sue reaches her final destination - China, home to the source of the Mekong. Here, change is sweeping through faster than any other Mekong nation, as China's economic miracle transforms even the remotest regions. Arriving in Yunnan's tropical south western region of Xishuangbanna, Sue discovers how this once remote and sleepy region is now home to a booming tourist industry, with the indigenous Dai tribe at its heart. To the Dai, water is holy, the physical and spiritual source of life. Thousands of Han Chinese - who make up 92 per cent of China's population - flock to the Dai Minority Park, a Disneyfied version of an ancient Dai village, where they take part in a traditional water splashing ceremony. After decades of communism, the park represents China's renewed interest in the colourful melting pot of peoples that actually make up modern China, providing a must-see holiday destination for its burgeoning middle class. Leaving the Dai Park, Sue climbs higher into the foothills of Xishuangbanna to discover how the Aini tribe are adapting to a changing China. The Aini have farmed pu'er tea for 2,000 years - suddenly they can become rich from its harvest, as China's newly wealthy professionals buy up this now fashionable delicacy. But as China tries to work out what is significant from its past and what it should take into its future, some people feel this rush to modernity is threatening what little remains of ancient traditions and beliefs. Sue meets Li Jin Mei, who is desperately trying to preserve what is left of her Aini culture. Travelling further along the river's valleys and foothills, Sue reaches the town of Baisha under the shadow of the Himalayas. Home to the Naxi people, this region is famous for its botanists and herbalists, made popular by Victorian plant hunters such as Joseph Rock. Sue attends a consultation with the renowned Naxi Chinese herbalist Dr Ho and explores his magnificent herbal garden. Climbi

Sue Perkinsin matka päättyy Mekongin alkulähteille Kiinaan, jossa hän tutustuu yrttitarhaan Himalajan huippujen katveessa ja tiibetiläisiin jakkipaimeniin. Maan talouskasvu uhkaa seudun ikivanhoja perinteitä.