Visibility III / V
On Sunday 18.08.2019 at 21.00 on land (the exact time I can not say, did not come to glance at the clock), in the backyard was quiet, suddenly I heard a sound from the sky, northeast from the direction of the explosion. I was back in the direction of the sound and when I turned to look, I didn’t notice anything. The sound was weird, it put it really high, I’ve never heard anything like it before. The first thing that came to mind was a missile test, etc., the direction and volume of the sound was of that order. - Now, by chance, Savon Sanomat's news about the light phenomenon and sound hit me: it must be the same. That is, here on land, 6 km from Lievestuore is the. phenomenon of sound perception.