Watch Nature's Microworlds Season 1 Episode 5 Online
- COUNTRIES: United Kingdom
- Subtitles: English
Steve Backshall tries to discover just what makes it possible for a river to stop in the middle of a desert. The Okavango is the world's largest inland delta and home to a one of Africa's greatest congregations of wildlife, and in asking the difficult questions Steve reveals the astounding secret to its existence.