介绍：These are six of the toughest prisons in the world. Prisons so tough, even gang bosses and killers learn the meaning of fear. Across four continents, six different prisons, the series takes us beyond the gates, walls, barred windows and cells into an unknown world, a world we know exists, but a world nobody wants to think about. Imagine prisons so tough that even the hardest ga..

介绍：一个主持人接了一个电话，一个不知名的人威胁要在直播中杀死主持人的全家为了拯救亲人，电台主持人将不得不玩一个生存游戏，而获胜的唯一方法就是找出罪犯的身份。

介绍：Its a small unknown town where the government sticks its smartest and brightest citizens.　　在第二次世界大

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