Kon-Tiki expedition colonisation, may have consisted of small fleets of balsa rafts. In 2006, the Tangaroa Expedition recreated the "Kon-Tiki" voyage using a newly built raft, the "Tangaroa", named after the Māori sea-god Tangaroa. Tangaroa's six-man crew was led by Norwegian Torgeir Higraff and included Olav Heyerdahl, grandson of Thor Heyerdahl, Bjarne Krekvik (captain), Øyvin Lauten (executive officer), Swedish Anders Berg (photographer) and Peruvian Roberto Sala. Tangaroa was launched on the same day that Kon-Tiki had been—April 28—and it reached its destination on July 7, which was 30 days faster than Heyerdahl's Kon-Tiki which had taken 101 days for the voyage. Tangaroa's
Hanau epe explain the alleged ethnic difference between the two groups. Thor Heyerdahl popularised the view that they were a South American indigenous people, who were pale skinned with red hair. Heyerdahl's Kon-Tiki expedition was designed to show that migrants from Peru could have reached Polynesia. He believed that the Hanau epe were the earliest inhabitants of the island; they created its unique monuments, which resemble similar sculptures found in the Americas, but were eventually killed off by either the Polynesians or a later wave of migrants from the Northwest coast of America. Wilhelm and Sandoval in 1966 took the view that