➀ The first wave in South America: Population Y, with DNA closely related to Australasians, surprisingly.
➁ Footprint discoveries support the coastal route, not mammoth hunting.
③Northern hunter-gatherers have no DNA match with the South American first wave.
④Seafarer Izu(peninsular) Sojin（First Japanese）’s maritime livelihood and affinity with indigenous DNA from the Southern Hemisphere regions.
―RSoJS