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#2 – ADX (Colorado, USA)

A place with the highest level of security.

10 Most Unusual Prisons In The World!

via diarioadn.cocomplain

This prison was created for the worst offenders. Staying in ADX is a pure torture. Cells are made of concrete and have almost no sunlight. Offenders are allowed to leave their cells for only nine hours per week. Communication with other inmates is also limited.

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