With a burst of flames and a boom that roars down the valley — a 1950s howitzer blasts holes in the snow to prevent avalanches on Europe's highest peak, the 5,642 meter Mt. Elbrus in #Russia's #Caucasus Mountains.pic.twitter.com/6KGRTl5LSP

With a burst of flames and a boom that roars down the valley — a 1950s howitzer blasts holes in the snow to prevent avalanches on Europe’s highest peak, the 5,642 meter Mt. Elbrus in #Russia’s #Caucasus Mountains. pic.twitter.com/6KGRTl5LSP Source:...