A man uses his mobile phone after taking a dip in the icy water of a pond during Orthodox Epiphany celebrations in Moscow, Russia January 18, 2024. REUTERS/Maxim Shemetov

A woman takes a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in the town of Sertolovo in the Leningrad Region, Russia January 19, 2024. REUTERS/Anton Vaganov

A man takes a dip in the icy waters of the Azov Sea during celebrations of the Orthodox Christian feast of Epiphany in Mariupol, Russian-controlled Ukraine, January 19, 2024. REUTERS/Alexander Ermochenko

A man takes a dip in the waters of the Black Sea during celebrations of the Orthodox Christian feast of Epiphany in Yevpatoriya, Crimea January 19, 2024. REUTERS/Alexey Pavlishak

A priest stands on the shore of the Black Sea during celebrations of the Orthodox Christian feast of Epiphany in Yevpatoriya, Crimea January 19, 2024. REUTERS/Alexey Pavlishak

People take part in a procession during celebrations of the Orthodox Christian feast of Epiphany in the town of Sertolovo in the Leningrad Region, Russia January 19, 2024. REUTERS/Anton Vaganov

An Orthodox Christian takes a dip in the icy waters while marking the feast of Epiphany in Moscow, Russia January 19, 2024. REUTERS/Evgenia Novozhenina

A priest blesses water during celebrations of the Orthodox Christian feast of Epiphany in the town of Sertolovo in the Leningrad Region, Russia January 19, 2024. REUTERS/Anton Vaganov

Believers jump into the Vardar River to get hold of a wooden cross thrown into the water by an Orthodox priest during Epiphany Day in Skopje, North Macedonia, January 19, 2024. REUTERS/Ognen Teofilovski

Believers jump into the Vardar River to get hold of a wooden cross thrown into the water by an Orthodox priest during Epiphany Day in Skopje, North Macedonia January 19, 2024. REUTERS/Ognen Teofilovski

Christian Orthodox participate in a ceremony of re-enacting the baptism of Christ on the banks of the Jordan River to celebrate Epiphany, in what is believed to be the site of Jesus' baptism, near Jericho, in the Israeli-occupied West Bank January 18, 2024. REUTERS/Ammar Awad

A woman stands on a stairs covered with icicles before taking a dip in icy water during during celebrations of the Orthodox Christian feast of Epiphany at the Achairsky Monastery in the Omsk Region, Russia January 19, 2024. REUTERS/Alexey Malgavko

A Christian Orthodox person participates in a ceremony of re-enacting the baptism of Christ on the banks of the Jordan River to celebrate Epiphany, in what is believed to be the site of Jesus' baptism, near Jericho, in the Israeli-occupied West Bank January 18, 2024. REUTERS/Ammar Awad

A woman takes a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany at the Achairsky Monastery in the Omsk Region, Russia January 19, 2024. REUTERS/Alexey Malgavko

Orthodox Christians take a dip in the icy water while marking the feast of Epiphany in Moscow, Russia January 18, 2024. REUTERS/Evgenia Novozhenina

An Orthodox Christian takes a dip in the icy water while marking the feast of Epiphany in Moscow, Russia January 18, 2024. REUTERS/Evgenia Novozhenina

A grass bundle, used for baptism in Ribnica river, floats in water in a metal bowl during Epiphany celebrations in Podgorica, Montenegro, January 19, 2024. REUTERS/Stevo Vasiljevic

A man takes a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in Almaty, Kazakhstan January 19, 2024. REUTERS/Pavel Mikheyev

A man takes a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in Almaty, Kazakhstan January 19, 2024. REUTERS/Pavel Mikheyev

Bogdan Jovicevic, 36, raises a wooden cross he retrieved from Ribnica river during Epiphany celebrations in Podgorica, Montenegro, January 19, 2024. REUTERS/Stevo Vasiljevic

A woman takes a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in the town of Sertolovo in the Leningrad Region, Russia January 19, 2024. REUTERS/Anton Vaganov