Authentic air raid siren. It is activated every year on the 2nd of June in memory of the Bulgarian poet and national revolutionary Hristo Botev.
http://en.wikipedia.org/wiki/Hristo_Botev
Captured near Sofia, Bulgaria with an iPhone 3GS.
Type
Wave (.wav)
Duration
2:47.913
File size
14.1 MB
Sample rate
44100.0 Hz
Bit depth
16 bit
Channels
Mono
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