Birdwatch Note Rating
2024-04-21 15:30:52 UTC - HELPFUL
Rated by Participant: 0643B2BDC1723A1144C73055449EB4487F7E7FC4FC90ACFB18C0B3F1AEA76A51
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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