Visual of largest raised peat bog on west coast, Delta's Burns Bog. LSs across Fraser River of thick white smoke coming out of smokestack on fringe of bog (0:56). MLS of many birds in water near shoreline with city and mountains in distant background (0:07). WS of snow-clad mountains with solitary leafless tree in bog in foreground (0:10). MLS of drainage ditch flowing into bay at dusk. MWS of marshy area of bog with snow-clad mountain in the distance (0:08).