In the dark recesses of the Peruvian rain-forest, stands an unwavering Brazil nut tree - a titan among trees. For it to reproduce, this awe-inspiring pillar of strength relies on a series of intricate relationships with plants, animals and insects found in the wild. This means that the Brazil nut tree only grows in its natural habitat - the Amazon jungle. Without this incredible tree, many species will go extinct.

The show’s own verdict is on its page.