Chapter 25 Supplementary picture
Birch bark boats made by the Ewenki people
Pottery boats unearthed from Han tombs in Guangzhou
Twenty-eight mansion bronze mirror in Tang Dynasty
Portrait of Zheng He
Zheng He's Nautical Charts
Zheng He's Treasure Ship Model
Operations on a treasure ship
The large rudder pole unearthed in Zhongbao Village near the Sancha River, with a total length of 11.07 meters
Tomb of King Dong of Sulu Kingdom (Dezhou, Shandong)