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Adventure


Feb
1985

Diving the Sinkholes of Australia: National Geographic

National Geographic


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South Australia is riddled with underground holes, flooded caves and tunnels, almost like Swiss cheese. With lights and safety lines, a group of divers explores these flooded caves and tunnels, in the middle of cow pastures, in forests, in between lanes of highway, and they float down an inland river to the Southern Ocean, learning a lesson in basic Earth formation.

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