Nature's Microworlds

Earth is a collection of worlds within worlds, each one a self-contained ecosystem bursting with life. These microworlds depend on an intricate web of relationships and natural forces that make each one unique. This stunning series delves deep into the heart of these habitats, breaking down each intricate ecosystem into all of its component parts, introducing the animals that live there, and revealing the fine balances of its existence.

Cast: Steve Backshall