Pre-Columbian rafts voyaged as far as Mexico and introduced metallurgy to the civilizations of that country. Some scholars and adventurers of the 20th and 21st century have asserted that the rafts and their crews journeyed thousands of miles across the Pacific to Polynesia, most notably Thor Heyerdahl who reached Polynesia on the Kon-Tiki raft. Several other people and groups have also built rafts based on prehistoric models and undertaken trans-Pacific voyages. Balsa is the Spanish word for raft. The use of rafts for commerce on the coasts of Peru and Ecuador, from northern Chile to southern Colombia, continued until the late 19th
Eduard Ingris Eduard Ingris Eduard Ingriš () (February 11, 1905 – January 11, 1991) was a Czech-American composer, photographer, conductor and adventurer. Born in Zlonice in Bohemia (then-Austro-Hungary, now Czech Republic), Ingriš left Czechoslovakia in 1947 for South America, living in Brazil and Peru. In 1955 and 1959 he organized the Kantuta and Kantuta II raft voyages and sailed across the Pacific, in similar style to Thor Heyerdahl's Kon-tiki. While Ingriš' travels spanned the globe and his talents led him through several careers, his first love was always music. He wrote the first arrangement of the famous "Beer Barrel Polka", after Jaromír