Hydro-Québec presents a TVA International production, in association with the Swedish Museum of Natural History and Imagica Corporation ; writers, Georges-Hébert Germain, David Homel ; producer, Martin J. Dignard ; directors, Martin J. Dignard, William Reeve
Front Film ; in cooperation with the Swedish Filminstitute, Swedish Television Documentaryfilm, YLE/TV1, TVP ; producer, Anne Möller Bondeson ; written and directed by Agnieszka Lukasiak ; a documentary by Agnieszka Lukasiak