Ressel, plongée souterraine. Cave diving. Lot, France
Gallerie supérieure du Ressel.
Ressel cave, upper gallery
Onboard strobes: 2 Sea&Sea YS110 triggered with optical fiber, located on both sides of camera
Remote strobe on diver's back: Sea and Sea YS90, triggered with Heinrichs Weikamp RSU unit
Taken on December 30, 2018