Since ancient times, navigation has been an important means of transportation. Columbus discovered the new continent, and European civilizations were passed to the world, all related to navigation. Dubai, in ancient times, was an important way to sail, playing a role in supply, so the pier has been very lively since ancient times. Especially in the Persian Gulf, oil reserves are found, and the docks are busier. However, oil has been depleted and the development of air freight has made shipping gradually lonely.