You seem certain on something that is not certain. People likely traveled over water. Ancient people were very impressive. From https://digital-classroom.nma.g

You seem certain on something that is not certain. People likely traveled over water. Ancient people were very impressive. From https://digital-classroom.nma.gov.au/learning-modules/ancient-australia-defining-moments/22-big-idea-1-scientists-believe-first-australians-came-somewhere-else#:~:text=The%20first%20people%20probably%20came,been%20a%20remarkable%20maritime%20achievement https://digital-classroom.nma.gov.au/learning-modules/ancien.... > The first people probably came to Australia from around the area that is now Timor. To get to Australia, they must have made a canoe voyage of about 90 to 150 kilometres of open water, which would have been a remarkable maritime achievement