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Watching "We, the Voyagers: Our Vaka". In my home island, Luzon (the Philippines), we call it "bangka". To learn wayfinding and seafaring in our sea of islands would be a great reason for me to go home after the pandemic. 
So the Austronesians, our ancestors, started in Taiwan.
And then onto islands like GuÄhan and Saipan and beyond
During this time, our Pacific ancestors were observing the stars, ocean swells, winds, etc. and honing the technology and passing it down from one generation to the next. Science!
More interisland and intentional travel! The colonisers from Europe haven't reached this part of the world yet, while the Indigenous peoples of the Pacific have been undertaking the greatest exploration project back then.
As the intergenerational knowledge and technology improved, the fleets of waka finally reach Madagasikara, Hawai'i, and Aotearoa (also known as New Zealand). The European colonisers-explorers haven't reached the South Pacific yet.
Indigenous peoples of the Pacific continue east to Rapa Nui (Easter Island), and possibly to South America. Return voyages from Rapa Nui to South America were probable due to the kumara (sweet potato) present in both Polynesia and S. America.
