(As part of the environmental campaign #ecochallenge, in which our college participates, on May 27, 1919, an action was held # refuse to launch balls together with students of our college. The guys conducted work with the population, explaining that it is undesirable to launch balloons, as this negatively affects the ecology of the city and all of Kazakhstan. Balls are not recyclable, they eventually break up into small particles and poison the soil, water, and air.)  ...