Russia ๐ท๐บ @Russia
Favourite leisure pastime for Soviet high-school students, sophomores & seniors alike: open-air extracurricular math! ๐งฎ Chalk to help solve equations + enthusiasm of youth + thirst for knowledge = great fun with math ๐ธ 1972 https://t.co/my5oZuCPtB — PolitiTweet.org