British diver photographs bizarre underwater ‘LAKE’ at the bottom of a flooded cave
Astonishing natural wonder looks like a body of water, but is found on the bed of a deep watery cavern
A BRITISH diver has snapped incredible pictures of an eerie "lake" at the bottom of a flooded cave.
Tom St George, a 45-year-old Londoner, plunged 100 feet into the Cenote Angelita sinkhole in Tulum, Mexico, to capture the astonishing photographs.
The strange "lake" is actually a cloud of hydrogen sulphide gas called a halocline, which is formed when salt water meets fresh water.
This meeting of two different types of liquid results in the creation of a layer of fresh water overlaying the salty stuff.
The Cenote Angelita means "little angel" and is part of a network of flooded caves which stretch for more than 300 miles.
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The underwater cave was formed about 6,500 years ago by a rock collapse.
It is one of many cenotes in the area and is connected to a complex water system which is connected to the ocean.
Ancient Mayans used the holes to source fresh drinking water, but they are also believed to have thrown victims into them as a human sacrifice.
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