1. mirny diamond mine, serbia siberia
http://farm2.static.flickr.com/1190/1350383794_27552b3d1d.jpg2. kimberley big hole - south africa

3. glory hole - monticello dam

4. bingham canyon mine, utah

5. great blue hole, belize


6. diavik mine, canada

7. sinkhole, guatemala


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To the poet and the sage, all things are friendly and hallowed, all experiences
profitable, all days holy, all men divine.
-Friedrich Nietzsche/Goethe
I am free, no matter what rules surround me. If I find them tolerable, I tolerate them; if I find them too obnoxious, I break them. I am free because I know that I alone am morally responsible for everything I do.
Heinlein