Continuous humming noise in Warsaw, May 24, 2012


This strange humming sound has been recordered in Warsaw, Poland, on May 24, 2012. The author says that it wasn’t an alarm or a plane.

The author comments:

I have recently read about all those strange sounds around the world and suddenly I heard something similar at night. It sounds kinda different from most of sounds in various videos but still they where untypical. That wasn’t any alarm or plane. They started after 1 A.M and lasted for over 40 minutes. Then they stopped for 5 minutes and started to howl again but not so loud this time.
I recorded them with my mobile so don’t expect a good quality.

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