Torstein Raaby

"Kon-Tiki" was the name of a wooden raft used by six Scandinavian scientists, led by Thor Heyerdahl, to make a 101-day journey from South America to the Polynesian Islands. The purpose of the expedition was to prove Heyerdahl's theory that the Polynesian Islands were populated from the east - specifically Peru - rather than from the west (Asia) as had been the theory for hundreds of years. (imdb)

A passionate conservation biologist brings together a river bushman fearful of losing his past and a young scientist uncertain of her future on an epic, four-month expedition across three countries, through unexplored and dangerous landscapes, in order to save the Okavango Delta, one of our planet's last pristine wildernesses. (imdb)