Looking at photos like these fascinates me.
The sheer scale of these holes reminds you of just how tiny you are.
1. Kimberley Big Hole - South AfricaApparently the largest ever hand-dug excavation in the world,
this 1097 meter deep mine yielded over 3 ton's of diamonds
before being closed in 1914.
The amount of earth removed by workers is estimated to
This is the glory hole belonging to Monticello dam in California
The hole can be seen at the top left of the photo above.
3. Bingham Canyon Mine, Utah
This is supposedly the largest man-made excavation on earth.
4. Great Blue Hole , Belize
Situated 60 miles off the mainland of Belize this is an incredible,
At surface level the near perfectly circular hole is 1/4 mile wide.
I'm pretty sure most people have seen this one.
The red arrow in the photo above is pointing to a 50 ton truck.
6. Diavik Mine , Canada
This incredible mine can be found 300km northeast of
The mine is so huge and the area so remote that it even has its own
A sinkhole is caused when water (usually rainwater or sewage)
These photos are of a sinkhole which occurred early this year in