OVNIs España : Spain UFOs Setiembre 2023

[Bluegreen]

OVNIs España _ Spain UFOs Setiembre 2023

(5:06)
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[ExomatrixTV]

Slow speed ... all the same direction (is the wind direction at that time known?) ....

Most likely, something like the video below, especially when there are many of them going all the same slow-speed same direction:
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Depending on the light sensitive settings of the camera & zoom/focus settings, that can alter a bit what is seen.

cheers,
John 🦜🦋🌳