What is the hole in the middle of a lake?
What is the hole in the middle of a lake? Although the giant hole looks like some natural phenomenon, it is a man-made open bell-mouth spillway known as a 'Glory Hole'.
No records found.
What is the hole in the middle of a lake? Although the giant hole looks like some natural phenomenon, it is a man-made open bell-mouth spillway known as a 'Glory Hole'.
No records found.