The Ghostly Radio Station That no One Claims to Run

In the middle of a Russian swampland, not far from the city of St Petersburg, is a rectangular iron gate. Beyond its rusted bars is a collection of radio towers, abandoned buildings and power lines bordered by a dry-stone wall. This sinister location is the focus of a mystery which stretches back to the height of the Cold War.

http://www.bbc.com/future/story/20170801-the-ghostly-radio-station-that-no-one-claims-to-run