參考答案： The Silk Road is the most well-known trade route in ancient China. It got its name because silk comprised a large proportion of commodities transported along this road. The Silk Road started at Chang'an and extended as far as countries like India and Rome. The Silk Road was opened up during the Han Dynasty and reached its peak in the Tang Dynasty, with camels being the major means of transportation. Great inventions in China, such as paper-making and printing were spread to the Western world along this road and religions like Buddhism were also introduced to China. The Silk Road was not only an ancient international trade route, but also a cultural bridge linking with Africa and Europe.