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- A passionate conservation biologist brings together a river bushman fearful of losing his past and a young scientist uncertain of her future on an epic, four-month expedition across three countries, through unexplored and dangerous landscapes, in order to save the Okavango Delta, one of our planet's last pristine wildernesses.
- Coral is a structure made up of thousands of little animals, some no bigger than a pin. Invasive species of algae have overtaken some coral reefs. Manual removal and re-introduction of a natural predator of algae can help restore balance.