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Zegrze Reservoir Monster
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AI rendition based on witness descriptions, not an actual photo. 
Zegrze Reservoir at Serock, Poland, where monster sightings are reported · Dereckson · CC BY 4.0 (via Wikimedia Commons) · Image source · License A fictional lake monster invented by journalist Wojciech Mazurkiewicz.
Hoax Verdict: Zegrze Reservoir Monster is a hoax or deliberate invention, as our source documents.
- Region
- Europe · Poland
- First reports
- 1980s
Key sightings
- Our source places it in Poland.
Best evidence
Invented.
Sources
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