FILE 1 : EXTRAORDINARY WORLD HOLE

   These extraordinary hole were existed naturally or made by human itself.It attract visitor time by time to amaze them for what have they see.
So here it is.THE TOP 10 :-

10) CHUQUICAMATA COPPER MINE,CHILE :

9) THE BINGHAM CANYON MINE,USA :

8) UDACHNAYA PIPE,RUSIA :

7) THE MIRNY DIAMOND MINE,RUSIA :

6) DIAVIK DIAMOND MINE,CANADA :

5) GUATEMALA SINKHOLE,REPUBLIC OF GUATEMALA :

4) THE GREAT BLUE HOLE :

3) THE MONTICELLO DAM,CALIFORNIA,USA :

2) KIMBERLEY DIAMOND MINE,SOUTH AFRICA :

1) DARVAS GAS CRATER,"GATES OF HELL",TURKMENISTAN :