Since ancient times, shipping has been an important pillar supporting social development. Storing yellow, flooding sand, blocking DAMS and diverting water, diverting Brunei and diverting water, does it sound like a set of martial arts secrets? A series of Chinese water experts used their courage and wisdom to create the world's oldest and largest canal - the Great Canal of China. Its birth has made China greatly connected in space and formed an unprecedented blend in culture, so it is known as the Internet in ancient China. Editor/Xu Shengpeng