~~~GLORY HOLE (Monticello Dam)~~~
~~~BINGHAM CANYON MINE (Utah)~~~
~~~GREAT BLUE HOLE (Belize)~~~
~~~MIRNY DIAMOND MINE (Serbia)~~~
~~~DIAVIK MINE (Canada)~~~
note::: very2 impress n wondering why there are such a big and amazing hole in this world....feel like want to see it with my own eyes, but i know that was impossible.....so just see the pictures from internet is enough for me to get the info about that wonderful holes.......