Three thousand years ago Bronze Age priests in Scandinavia used to cover rock faces with carvings of ships. The object of these rituals was to make sure the sun, on its imaginary ship journey across the sky, returned safely. The strange ships they carved are one of the great riddles of Scandinavian archeology. Were they real or mythical?
Professor Sverre Marstrander has studied them for 17 years and thinks he has the answer. To put his theory to the test, he decided this summer to translate his interpretation into fact and see how it behaved at sea.
Magnus Magnusson reports on the design, building and testing of a craft whose like has not been seen for 2,500 years
(BBC/NRK co-production)