3 toughest, inescapable prisons in the world

A prison, by definition, is meant to be a place of correction, a facility where lawbreakers are held as punishment and theoretically rehabilitated. But the prisons we’re about to explore? They’re something else entirely.  Imagine a place so brutal, so isolated, and so escape-proof that inmates beg for death as mercy. We're talking about fortresses of despair where the world's most dangerous criminals are sent to be forgotten. Places where sunlight is a privilege and human rights