Цветные карандаши

One far from perfect day, people woke up and found that everything around had turned black and white. All colors have disappeared. No one, of course, will die due to the fact that the sky is light gray even on a sunny day, and the foliage on the trees is a leaden hue. Just with the disappearance of color, and for some reason, life lost its taste. To find out where this misfortune came from and sav...