Secrets Underground
Lost Pirate City of Treasure
Season 2 Episode 7 of 8
Cutting-edge technology is used to try to reveal the resting place of an infamous pirate city that sank into the sea, and the treasure it may have taken with it
Secrets Underground airs on Discovery Science +1 at 5:00 AM, Friday 11 July. (Subtitles, audio description.)
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