Toughest Prisons in the World

This is a list of the worlds toughest prisons both still open and closed down please feel free to vote and add to the list
The Top Ten
1 Camp 22, North Korea
2 Tadmor Military Prison, Syria
3 Carandiru Penitentiary, Brazil
4 La Sabaneta, Venezuela
5 Bang Kwang Central Prison, Thailand
6 Diyarbakir Prison, Turkey
7 Gitarama Central Prison, Rwanda
8 ADX Florence Supermax Prison, Colorado
9 Alcatraz, United States
10 Vladimir Central Prison, Russia
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