Birdwatch Note Rating
2024-04-21 14:49:10 UTC - HELPFUL
Rated by Participant: 15CA12ED6B89BFAC4273A73B98664F3F5A853BC4EC48886EB0E7DCB05A329A9E
Participant Details
Original Note:
This is a rare phenomenon caused by large quantities of hail falling. The hail can then flow like a river under specific circumstances, picking up sand and dirt on the way. Instances of this happening have been known in the past: https://www.upworthy.com/this-unusual-river-of-ice-in-the-desert-looks-like-fun-but-the-reason-its-there-isnt-so-funny
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