Young people buying a soda drink at the soda vending machine. Mixed sweet syrup, with sparkling water. Back in the USSR.
Soda vending machine, circa 70s «Советский дизайн 1950–1980-х годов». 1-2Glasses were provided in the slot. You could rinse them by placing them upside down over the water fountain and pushing down the glass to release water. 1 kopek for sparkling , 3 kopeks for sparkling with syrup