Name: Underworld
Uploaded: 2021
Description: Embark on a journey deep into the unknown 95% of our planet, revealing extraordinary caves with 3D laser-scanning technology.

Embark on a journey deep into the unknown 95% of our planet, revealing extraordinary caves with 3D laser-scanning technology.

In Underworld: Great Britain the team examines the deepest shaft discovered in the UK – Titan. They hope a 3D scan can reveal its true size and secrets about its formation.

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In this episode, the team examines the deepest shaft discovered in the UK – Titan. They hope a 3D scan can reveal its true size and secrets about its formation.

Great Britain

In Underworld: Gibraltar, the team learns more about the Rock’s caves and tunnels. At Gorham’s Cave, secrets are revealed about our Neanderthal cousins and their importance to the Ancient Greeks.

Underworld: Gibraltar visits Gibraltar’s vast networks of caves and tunnels.

Gibraltar

Underworld: Slovenia is an adventure into Slovenia’s largest ice cave. The team scans the volume of ice, providing data for scientists to assess climate change.

Slovenia

In Underworld: Belize the team discovers why the Maya Civilization vanished. In the cave of Actun Tunichil Muknal, they uncover the remains of human sacrifices. Professor Holley Moyes reveals how a drought caused the Maya to venture underground to make human sacrifices as they prayed for rains.

Underworld: Belize explores how drought made the Mayan Empire collapse.

Belize

Underworld: China uncovers the secrets of China’s giant caves. A team maps Cloud Ladder Hall, showing how its size creates an underground weather system.

Underworld: China explores some of the largest caves on Earth.