This is the reason why Russian nationals and even tourists have been in great distress when Russia's Daldykan River turned into a violent red color. Many have connected this to Bible, and claims that this is the work of God. Some even caused panic when they pitched in the idea of doomsday and the river is one of the signs.
Contrary to this, David Chambers, a mining expert and president of the Center for Science in Public Participation says “That’s a very typical color for a mine waste,” and claims that it is Oxidized iron contained in these waste is the one responsible for turning the color of the river. Norilsik is a known industrial city which is one of the most populated places on earth, It has a lot of factories which are mostly of Norilsk Nickel.