5 Mohanga Prison Rwanda. A place originally designed for 400 inmates but now housing over 7,000 with no space to sleep. Prisoners are forced to stand for hours or even days. Inmates have resorted to cannibalism just to survive. For many entering Mohanga is a death sentence.
4 Drapchi Prison Tibet China. Punishments include psychological torture and forced confessions.
3 La Sabana Prison Venezuela. Prison gangs control the facility deciding who eat, who lives, who dies.
2 ADX Florence USA is also known as Alcatraz holds the most dangerous prisoners in the USA. Prisoners here spend 23 hours a day in complete isolation with almost zero human contact.
1 Black Dolphin Prison Russia. This prison includes serial killers and cannibals. Inmates are blindfolded when transported, forced to walk bent over to disorientate them and live under constant surveillance.
