Deep into the heart of Siberia, a daring father and son Sergey and Nikita Zimov are orchestrating a remarkable experiment that could reverse the sands of time and rescue our planet from impending environmental doom. Intrigued by the audacious notion of rewinding the clock to the Ice Age, the Zimovs' groundbreaking hypothesis proposes a radical solution: reintroducing massive herds of herbivores to halt the relentless thawing of permafrost and the catastrophic consequences that loom on the horizon. Could the majestic return of the mammoth to Siberia hold the key to humanity's salvation?