Known. A river ship in China held a jar painted with a dragon and a phoenix.
At Heze, in Shandong, China, a wooden ship was found under silt at a building site. It is about 700 years old, from the Yuan dynasty, 1271 to 1368. Mongol rulers led China then, but the objects show Chinese art. The ship is 21 metres long, split into twelve cabins, and was probably used on a river. One bright jar shows a dragon and a phoenix. More than 100 objects were found, made of porcelain, pottery, lacquer, jade, stone, iron, bronze, and gold. In a shrine cabin were a burner and small stone figures: a Buddhist holy person beside a tiger, and another beside a dragon, holding a bowl. Grain was still in the cargo space. The kitchen held an iron stove, an iron pot, a ladle, and a wooden cutting board.
The page does not say what is still argued.