Watch: Volcano Mount Etna puffs giant smoke rings in 'extraordinary' phenomenon

Locals have dubbed the volcano Lady of the Rings as it beats records for producing the circles from condensed gases and water vapour

Related Keywords

Giuseppe Barbagallo ,Angela Intruglio ,Boris Behncke ,Tremestieri Etneo ,Etna Alpine Guides Group ,National Institute Of Geophysics ,Mount Etna ,National Institute ,South Etna Alpine Guides ,Italy ,Standard ,Sicily ,World News ,Europe ,Volcanoes ,Us Content ,