Tuesday was an important holiday in the Russian Orthodox Church: Epiphany, which celebrates the baptism of Jesus in the River Jordan.
Russian believers mark the event by re-enacting that baptism in ponds and rivers, and since Russia is far north of the Jordan, that means plunging into freezing water through holes cut in the ice.
Big cities like Moscow often set up elaborate stations where people can take the plunge, but people in other cities go for the do-it-yourself approach.
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