Taiga: The Frozen Forests (S01E02)

Home to a third of the world's trees, the frigid Taiga forests act as the planet's lungs. This vast expanse of woodland stretches across the globe, encompassing North America, Scandinavia, and reaching across Siberia to the Pacific coast. Within its depths, it provides refuge for some of the Earth's most magnificent creatures as well as its most elusive inhabitants.