You can't control the weather or workday morning traffic snarls - or can you? from Zhangxiao, Stillwell and Ingram look at the ways Chinese engineers are masterminding the seemingly impossible. Traffic Management - Dominated by cars trying to navigate crowded roadways not designed for such heavy volume. Monitoring Sandstorms - Four years ago, immense clouds of dust particles from the western deserts of China and Outer Mongolia were large enough to be easily tracked across the Pacific Ocean by orbiting satellites. The Bells of Marquis Yi - the extraordinary Bronze Chimes of Marquis Yi are one of the most astonishing archaeological discoveries in recent times. Also in this episode: From silkworm to factory floor to the fashion catwalk, see how silk is made; experience the science of Tai Chi; and see the sustainable eco-village of Huangbaiyu.