>Seen such a queue for beer, in march of 1979 in then Leningrad. They had 3 (three!) steins so one is being filled, two are being downed, forty people are in the queue. As soon as the first guy finishes his mug, returns the mug to the clerk and himself to the end of the queue. There was about 15cm of snow on the ground.
That agrees with the street vendor heavy-duty tankers shown in
https://en.wikipedia.org/wiki/Kvass ;)
Regards. Al
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