The Nydam boat (310–320 Advertisement), among the list of precursors on the Viking longships China started off constructing sea-heading ships inside the tenth century in the Track dynasty. Chinese seagoing ship relies on Austronesian ship designs that have been trading with the Jap Han dynasty since the second century Advertisement. https://keeganwncnz.blogsvirals.com/32409463/facts-about-nautical-ballads-revealed