For thousands of years, ancient forests have sustained life on Earth. Hidden deep within remote nature reserves in Russia, some of the last untouched old-growth forests have remained virtually unchanged since prehistoric times and are rarely seen by human eyes. This breathtaking documentary takes you into these remarkable ecosystems, where towering trees support an extraordinary web of life. From fungi and insects to birds and mammals, every species plays a vital role in a delicate natural balance. Revealing the hidden connections between trees and the countless organisms that depend on them, the film is a powerful tribute to the resilience, beauty and importance of the world’s last primeval forests.

Synopsis: TMDb.