Guillaume Nery base jumping.
FREE FALL, : World champion freediver Guillaume Nery unique performance at Dean's Blue Hole.
Dean's Blue Hole you ask?
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Dean's Blue Hole is the world's deepest blue hole (underwater sinkhole), which plunges 202 metres (663 ft) to the ocean floor, in a bay west of Clarence Town on Long Island, Bahamas.
It is one of the natural wonders of the world as is this effort by Guillie!
www.verticalblue.net/images/freediving/vertical_blue/Frederic_Buyle_26 This is a awesome clip, just thought I'd share it if it hasn't been run here already?

hope you enjoyed it.
The title is a little misleading as he obviously doesn't descend to the bottom of the hole as this is to date impossible unassisted.
He does descend to a ledge at 125m(394Ft) level in this awesome video though.
Because there is different disciplines in this sport there are varying records, over all deepest No Limits Apnea dive is this one to a depth of 214m:
Deepest Scuba dive is this guy going to 318.25meters:
So you kinda get the picture.