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Trade in services has existed since ancient times. Ancient Chinese philosopher Confucius (551-479 B.C.) started the tradition of giving private lectures in other kingdoms. Zhang Qian, an envoy of the Han Dynasty (202 B.C.-A.D. 220), was sent to the West regions. Zheng He, a Ming Dynasty (1368-1644) admiral and explorer, led several voyages around the Indian Ocean. These stories help us understand the development of trade in services in ancient China.