Two newborn polar bear cubs emerge from their den for the first time, accompanied by their watchful mother. For veteran polar bear tracker Dennis Compayre, it's a beautiful thing to witness. Learn more about this incredible experience (captured in ‘Kingdom of the Polar Bears,’ streaming free on CBC Gem): https://www.cbc.ca/documentaries/the-nature-of-things/cameraman-endures-extreme-conditions-in-canada-s-arctic-to-film-polar-bear-cubs-emerging-from-their-den-1.5928248 | CBC Docs