ZDF - Underworld Series 1 (2021) Part 4 Belize

Underworld Series 1

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

Part 4 Belize

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.

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