scientists have unveiled a hidden hydrothermal system beneath the waters of Lake Rotorua, a site steeped in Maori legend and situated atop a dormant volcanic crater on New Zealand's North Island.

Published in the journal Palaeobiodiversity and Palaeoenvironments, a study reveals rare whitefly insect fossils have been found in Miocene age crater ... to be found in New Zealand and only ...

Yet, the lake is the crater of a giant super volcano, and within its depths lies the unsettling history of this picturesque marvel. Watch the full documentary Griff's Great Kiwi Road Trip on BBC ...