A steam ring being blown from the Bocca Nuova vent of Mount Etna, Sicily. A steam ring being blown from the Bocca Nuova vent of Mount Etna, Sicily. Steam rings are generated when a pulse of steam is ejected from a near-cylindrical volcanic vent
But when a storm arrives, the results can be awe-inspiring. This thunderstorm is a supercell, the largest, most severe class of thunderstorms. The photographer discribes this picture as one of his all-time favourites.
Les 8 types de nuages les plus spectaculaires qui flottent au-dessus de votre tête