While the photograph is authentic, the "underwater waterfall" is the result of an optical illusion. As explained in a CNN Travel story from August 2019, "Sand and silt on the ocean floor run off in a ...
If you fancy a little underwater exploration without the hassle of learning to scuba dive, you’ll love the sub-scooter. It’s a battery-powered moped that propels you through water at a depth of 10 ft.