My uncle swore that viral video of the "glowing" lake in Vietnam was real, so I made him sit down and look at the satellite pics with me

Robin Green · 2026-10-27T01:20:07.733806+00:00

My uncle sent me a clip two months ago of a lake outside Hanoi that supposedly glows neon blue at night, and he was dead sure it was some kind of natural wonder the news was hiding. I almost let it go, but he kept forwarding it to the family group chat, so I pulled up the actual satellite images and the water quality reports from the local environmental agency. Turns out the glow was from a dye test run by a fish farm upstream, and the video had been sped up and color-boosted. He got quiet, then asked me how I found all that in like 20 minutes, and honestly it was just searching the lake name plus the month it happened. The part that bugs me is how many comment sections were full of people saying the same thing he said, no source, just vibes. I keep wondering how many of these clips would die on arrival if someone just asked for the location first. Do you all have a go-to first step when a relative drops a wild clip in the family chat, or do you just let it ride?

Vivisector

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My uncle swore that viral video of the "glowing" lake in Vietnam was real, so I made him sit down and look at the satellite pics with me | Debunk It Yourself - Vivisector