What started out as a small hole in the ground at the England beauty pageant has now grown to the point where it reveals a beach hidden beneath.
The 12 meter wide hole is called the southern hole and is found in the Whitburn rocks near Sunderland.
The natural phenomenon, geographically known as “Dolin”, first appeared in 2003 and has been evolving ever since. It was created by pushing seawater through an insect on limestone rocks.
Geologist Dr. Vanessa Banks said Daily mail Dolins are “mainly formed by cold water and glacial sand and gravel deposits under soluble rocks such as dolomite lime or gypsum”.
SWNS / AP
The hole is more than 12 meters wide.
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The trail and the surrounding cliff area are managed by the UK National Trust, which has warned visitors to avoid the area.
“By its very nature, the coast is constantly changing, with some areas particularly prone to erosion and landslides,” a spokesman told SWNS.
“There are warning signs at key points on the edge of the cliff and visitor notice boards in all parking lots. We urge people to pay attention to these signs and follow key ways to keep themselves, their children and dogs safe.
SWNS / AP
Visitors are warned to stay away from the sinkhole.
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