These mysterious cylindrical clouds appeared in the sky over the Eiger in the Swiss Alps and scientists openly say that this is “not a natural phenomenon”, but they do not know how to explain their occurrence.
An unusual celestial formation hovered over the Eiger, a 3967-meter mountain in the Bernese Alps.
This image shows two mysterious cylindrical clouds in the sky over the Swiss Alps on March 10, 2021.

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One of the two clouds disappeared after a few minutes. However, the second drifted in the sky for about 15 minutes.