Charles Engles
Burr Hole to Blue Hole: Conclusion
They say freediving is simple, not brain surgery. Turns out maybe there's a little more to it than that. Contributor Dr. Charles Engles concludes his desert dives.
Burr Hole to Blue Hole: A Surgeon's Desert Diving
New contributor Dr. Charles Engles probes the depths of a blue spot in the dryest sands.