The Olympic Flame is supposed to remain lit for the whole relay. When the Torch is extinguished at night, on airplanes, in bad weather, or during protests (such as the several occasions in Paris), the Olympic Flame is kept alight in a set of 8 lanterns.[citation needed]
Try to answer this question if possible (otherwise reply "unanswerable"): The torch is put out at night, on aircraft, during storms and what else?
during protests