Jonathan and Todd take a motorcycle ride across the Portuguese countryside to dive one of the longest caves in Europe. And it happens to be hidden right behind an old toilet paper factory!

WARNING! CAVE DIVING IS DANGEROUS AND REQUIRES PROPER EQUIPMENT AND TRAINING. DO NOT ATTEMPT ANYTHING IN THIS VIDEO WITHOUT PROPER TRAINING AND EQUIPMENT.

JONATHAN BIRD'S BLUE WORLD is an Emmy Award-winning underwater science/adventure series featuring underwater cinematographer/naturalist Jonathan Bird.

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#scubadiving #cavediving #portugal

Chapters:
0:00 Intro
0:29 Riding to the Factory
2:18 Preparing for the Dive
4:09 Entering the Cave
6:22 Exploring the Cave
14:13 Summary
14:53 Credits