Jonathan and Todd join cave explorer Mike Young to assist with his ongoing exploration of Chun-Ha Cenote located right in the middle of the city of San Miguel on the island of Cozumel. It's Jonathan's first time laying line into virgin cave passages! After it's surveyed, the team can see where it goes on Google maps under buildings, streets and parks!

WARNING! Cave diving is a potentially dangerous activity. Do not dive in caves without proper equipment and training. This video is in no way intended to be instructional.

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 #rebreather

Chapters:
0:00 Intro
1:36 Arrive at the cave
6:55 Starting the dive
9:24 Maya Beehives
12:05 Jonathan gets the reel
17:12 Surveying the line
19:33 Seeing the map
21:48 Close