NOVA Online | Secrets of Lost Empires | China Bridge
Marco Polo marveled at the commercial activity of cities such as Suzhou, pictured here. China's Age of Invention The Rainbow Bridge built in the NOVA program "China Bridge" is just one of many important inventions that appeared during China's impressive Song Dynasty (A.D. 960-1280). This vibrant period in Chinese history was marked by economic prosperity and remarkable technological innovation. Read on to find out what China expert Robin D.
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