Swallowtails in science fiction is the division of time into several streams, each of which has its own actions. In the spring of 2022, many people in Russia took to the streets with solo picketing. But it was forbidden to film them. It was forbidden to film anything in Russia. At that time, a film competition was announced in Moscow — about how the youth saw the city. We decided to use this opportunity and film the Kremlin wall. The Kremlin wall turned out to be the only thing you can film in Russia.