Reported: 2021-09-08 16:41 Pacific
Duration: 5 minutes
No of observers: 3
Location: Duluth, MN, USA
We stopped at a wayside rest on the Scenic Highway heading back towards Duluth. We were sitting on top of this cliff watching the lake and the rain clouds across from us over Wisconsin. Against the dark clouds of rain we saw this white snake like formation. We thought they were birds, but birds don't in a line and dip up and down like your moving your hand in a wavy motion. We watched it until the snake like formation disappeared.
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