Question: What 1947 journey by raft across the Pacific Ocean from South America to the Polynesian islands was Thor Heyerdahl notable for?
Sentence (from "Aku-Aku"): Much of the book's interest derives from the interaction of the expedition staff, from their base at Anakena beach, with the Easter Islanders themselves, who lived mainly in the village of Hanga Roa.
Relevant evidence: No