The idea that human beings didn’t have seaworthy boats 13,500 years ago has pretty much been abandoned. It’s pretty obvious such boats existed and were in use, possibly since 50,000 years ago when Australia was first settled.
...dugouts in the Australia/New Guinea archipelago about 40,000 years ago ..Spain actually predated their invention in the Australia/New Guinea area...
(..am a research fanatic sometimes..sorry am just a layperson on this subject, the story and comment fascinated me..)Thanks