AERIAL SHOT of rainbow over low mountains, a bend in Mackenzie River in foreground, ZOOM IN on rainbow. Brief AERIAL SHOT of lower Mackenzie River. AERIAL SHOT over spruce forest. AERIAL SHOTs of white clouds flooded in bright sunlight. Several AERIAL SHOTs of lower Mackenzie River. Several AERIAL SHOTs of mountain ridge like a spine out of flat landscape. AERIAL SHOT of small tributary of the Mackenzie River zigzagging on flat landscape.