Totem pole carving - like many other aspects of culture among indigenous peoples in North America - is something that almost did not survive conquest and colonisation. Totem poles as an art form flourished in the 19th century. But when Christian missionaries arrived from England, they decided that the poles were the devil's work. Now however, the art form seems to be making a comeback. Al Jazeera's Rob Reynolds reports from Prince Rupert, British Columbia.