It is also the day when thousands of Russians, religious or not, take a dip in the sub-zero waters of nearby rivers and lakes — wearing only their bathing suits.
According to tradition, water becomes holy on this day, and those who dunk themselves under three times will cleanse their sins away.
Although the Russian Orthodox Church is skeptical toward the religious value of these winter swims, the custom has been growing in popularity since the 1980s.
Here are scenes from this year's Epiphany swim:
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