The document discusses achievements of Ancient China, including the Silk Road, an ancient trade route between China and Europe that allowed the exchange of goods over 4000 miles. Traders would pass goods from one to the next along the route. Silk was a valuable cloth originally made only in China. The Han Dynasty also saw advances in farming techniques, medicine such as acupuncture, and technology including the compass, wheelbarrow, and papermaking from tree bark and old rags.