04 03 2035 / 00:47 / Dunkerque - Dunkirk / weird sound - cleaned

On March 3, 2025, I was in the city of Dunkerque, on René Delissen Street. During the night, a strange and omnipresent sound resonated in the air for long minutes. I had never heard anything like it before. What was mysterious and surprising was that it was a cyclical yet evolving noise, and it could suddenly stop, leaving a deep silence in the night. It lasted in periods of 20 to 30 minutes. It felt like an apocalyptic or extraterrestrial atmosphere, something unreal, as the sound was quite lou