<p>A school of fish swims past the underwater research laboratory Aquarius, located 62 feet (19 meters) beneath the Florida Keys National Marine Sanctuary.</p>
Aquarius Laboratory
A school of fish swims past the underwater research laboratory Aquarius, located 62 feet (19 meters) beneath the Florida Keys National Marine Sanctuary.
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Underwater Exploration
Slip into a wet suit or hitch a ride on a submersible vessel and discover depths that few have witnessed in this gallery of underwater explorers on the move.
