A. E. Nordenskiöld, The Voyage of the Vega round Asia and Europe…
“ The flash lasts only a few moments after the snow is left untouched, and is so intense, that it appears as if a sea of fire would open at every step a man takes. It produces indeed a peculiar impression on a dark and stormy winter day (the temperature of the air was sometimes in the neighbourhood of the freezing-point of mercury) to walk along in this mixture of snow and flame, which at every step one takes splashes about in all directions, shining with a light so intense that one is ready to fear that his shoes or clothes will take fire. ”
