Huge plumes of ash and smoke were filmed erupting from Sicily’s Mount Etna as skiers used the slopes below.   Scientists at the Istituto Nazionale di Geofisica e Vulcanologia said volcanic activity at the site, which frequently erupts, had intensified, with craters continuously emitting ash.   Tap the link in BBCNews’s bio to find out more about the world’s most active volcano.   #MountEtna #Sicily #BBCNews