Mysteries of the Abandoned

Underwater Ghost Prison (3x4)

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An entrance to the underworld in the American wild, a haunting Soviet underwater prison, and a strange complex of towers in a forest of ice are deserted engineering projects. Stories: 1) Murru Prison, Rummu, Estonia; 2) Crozet Tunnel, Virginia, USA; 3) Rajamäki Towers, Rajamäki, Finland; 4) The Cable Inglés, Almeria, Spain