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A “roll cloud” spotted off the coast of Portugal looked like something out of a movie. Here’s the science behind it.
Beachgoers in Portugal were left stunned after an ominous cloud resembling a towering tidal wave engulfed the coast earlier ...
A rare 'tsunami roll' appeared in the sky off the coast of northern Portugal on Sunday, 29 June, causing beachgoers to flee ...
People in Portugal witnessed one of the most beautiful natural phenomena– after ‘roll clouds’ took over the ocean, turning it ...