Thor Heyerdahl proved to be highly manoeuvrable, and fish congregated between the nine balsa logs in such numbers that ancient sailors could have possibly relied on fish for hydration in the absence of other sources of fresh water. Other rafts have repeated the voyage, inspired by "Kon-Tiki". Heyerdahl's book about "" has been translated into 70 languages. The documentary film of the expedition entitled "Kon-Tiki" won an Academy Award in 1951. A dramatised version was released in 2012, also called "Kon-Tiki", and was nominated for both the Best Foreign Language Oscar at the 85th Academy Awards and a Golden Globe Award for
Pre-Columbian rafts It was during these trade voyages that South American sailors may have introduced metallurgy to Mexico. The purported trade between Ecuador and Mexico consisted of luxury items, including Spondylus (spiny oyster) and Strombus (conch) shells, which were prominently traded from their origins in the warm ocean waters of Ecuador throughout the Andes and up and down the coasts of South America. Since the voyage of the Kon-Tiki in 1947, there have been numerous crossings of the Pacific Ocean by raft from South America to Polynesia. In the 1990s, four attempts to sail a raft from Ecuador to Mexico failed, although