"Zheng He of China!" shares an incredible story of a boy who fell from rich man's son to slave in the house of Ming. He rose to become a great hero in the service of Ming and was later given the task of creating and commanding the largest navy in world history. Yes, more ships than the US has today. This guy also had the biggest ships the world had ever seen or would see for another 500 years. Zheng He was shipping giraffes back to China before Columbus sailed to the new world.