This video allegedly shows a helicopter at fairly low altitude spraying some kind of "chemtrail":
![](https://www.metabunk.org/sk/20150519-073101-b0x0f.jpg)
The trails appears to be associated with a small cumulus cloud, with the helicopter "dragging out" small puffs of cloud as it flies through the cloud, but the exact mechanism is a mystery to me. Any thoughts?
![](https://www.metabunk.org/sk/20150519-073101-b0x0f.jpg)
The trails appears to be associated with a small cumulus cloud, with the helicopter "dragging out" small puffs of cloud as it flies through the cloud, but the exact mechanism is a mystery to me. Any thoughts?
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