On a Ledge
Most divers are afraid of sharks when they're out in open water, but not this one. The most terrifying experience this person had was descending a wall of coral. They became so disoriented that they felt like they were just spinning over and over when it couldn't have been more than 30 seconds. Not being able to gauge your surroundings when everything looks the same is one of the biggest risks when diving deep and alone.
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