People bathe in temperatures that dropped as low as -14 degrees Celsius near the Achairsky monastery outside the Siberian city of Omsk, Russia, during Epiphany celebrations on January 19. Many Orthodox Christians around the world have been marking the Epiphany, one of the faith's three biggest celebrations.
A woman reacts to the freezing water near the monastery in the early morning hours. The Epiphany is frequently marked by a dip in water to symbolize Christ's baptism in the River Jordan.
These Orthodox believers in Belgrade, Serbia, started their celebrations on January 18 with a swim in the Sava River to retrieve a cross that is meant to bring them good health throughout the coming year.
Thousands of Orthodox followers plunged into outdoor rivers, ponds, or other pools, such as these people under the watchful gaze of rescue workers in Kronstadt, outside St. Petersburg, Russia, on January 18.
Priests blessed the icy water at the Church of the Holy Trinity in Moscow, Russia, late on January 18. With around 90 million members, the Russian Orthodox Church traditionally carries out the blessing of the waters twice: on the eve of the Epiphany and again on the holiday itself on January 19.
A priest takes a dip near the Church of the Holy Trinity in Moscow.
Believers plunge into the icy waters in Moscow.
A woman in a bikini smiles after walking out of the icy waters of a pond in Moscow.
A young girl reacts to the icy waters in Krasnogorsk, near Moscow.
Celebrations were also held in Almaty, Kazakhstan, where the outside temperature was -14 degrees Celsius.
Orthodox believers made it a festive celebration as they bathed in the icy waters near Vilnius, Lithuania.
While others, such as this Ukrainian man in the Dnieper River in Kyiv, opted to bathe alone.