One of Pushkin's most famous fairy tales is The Tale of Tsar Saltan. It starts with 3 girls sitting by the window and spinning yarn. They talk about their dreams. The main idea of this work is that in the distant future there may be no yarn made from natural fabrics, perhaps it will be completely replaced by plastic and other unnatural materials. Therefore, in this job, the girls knit from the wires through which current flows, which have flooded the whole world.