A flame from the volcano comes out from the subsoil and burns on top of a hill in Forli, Italy, Aug. 14, 2017. The volcano of Monte Busca is the smallest in Italy and is in the Province of Forli near Tredozio village. The flames are due to the release of hydrocarbon gases which in contact with oxygen creates a flame. The phenomenon is also known as 'flaming fountain'. (Photo/Agencies)
