Introduction to the sluice gate: Zuotangyuan is connected to the Yangtze River. Zheng He's fleet sailed into the Yangtze River through the sluice gate, went to the world, and began his ocean navigation feat.
Introduction to the sluice gate: Zuotangyuan is connected to the Yangtze River. Zheng He's fleet sailed into the Yangtze River through the sluice gate, went to the world, and began his ocean navigation feat.