Stargate Blue Hole and Sponges

An underwater cave system in a remote part of Andros Island in the Bahamas is explored. Also: the world of sponges.

English

Originally Aired April 5, 2014
Runtime 30 minutes
Content Rating United States of America TV-G
Network PBS
Created April 7, 2014 by
Administrator admin
Modified April 7, 2014 by
Administrator admin