Video_2021-11-15_23-16-03.mp4 -

The filename is a generic timestamp format typically generated by messaging apps like Telegram (where "23-16-03" represents 11:16:03 PM).

Major lunar eclipse preparations (the "Beaver Moon" eclipse occurred on Nov 19). video_2021-11-15_23-16-03.mp4

If it was from a specific news event, viral thread, or educational channel on that date, describing the visuals can help identify the subject. The filename is a generic timestamp format typically