Tilda Swinton narrates this wildlife documentary exploring the distinctive flora and fauna of the Galapagos archipelago. Charles Darwin's world within itself is the subject of this in-depth programme. The Galapagos Islands are every botanists' Shangri-La 13 main islands are actually underwater volcanoes and are situated at the confluence of four oceanic currents. This singular habitat, combined with its isolated location have given rise to hundreds of varieties of flora and fauna found only here. Informed commentary, dramatically photographed scenery and a fitting soundtrack combine to paint a compelling picture of this foreboding place.