Ra [also known as The Ra Expeditions] is a 1972 documentary film directed by Lennart Ehrenborg and Thor Heyerdahl about the expeditions organised by Thor Heyerdahl in 1969 and 1970 in attempt to cross the Atlantic on papyrus boats. It was nominated for an Academy Award for Best Documentary Feature.
Raúl, a computer programmer believes that the world as we know it is doomed and that the project he is developing will change the lives of many people.