People take a dip during celebrations of the Orthodox Christian feast of Epiphany at the Achairsky convent in Omsk Region, Russia January 19, 2021. REUTERS/Alexey Malgavko

An Ukrainian Orthodox priest blesses the water during Orthodox Epiphany celebrations in the village of Ivankovychi, Ukraine January 19, 2021. REUTERS/Gleb Garanich

A man takes a dip in the icy water during Orthodox Epiphany celebrations in the village of Ivankovychi, Ukraine January 19, 2021. REUTERS/Gleb Garanich

People gather around a cross-shaped ice hole during celebrations of the Orthodox Christian feast of Epiphany in Kyiv, Ukraine January 19, 2021. Picture taken with a drone. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY

A man jumps into icy water during celebrations of the Orthodox Christian feast of Epiphany in the rebel-controlled town of Alchevsk in Luhansk Region, Ukraine January 19, 2021. REUTERS/Alexander Ermochenko

Militants of the separatist Luhansk People's Republic take part in a procession during celebrations of the Orthodox Christian feast of Epiphany in the rebel-controlled town of Alchevsk in Luhansk Region, Ukraine January 19, 2021. REUTERS/Alexander Ermochenko

A man takes a dip in the icy water during Orthodox Epiphany celebrations in the village of Ivankovychi, Ukraine January 19, 2021. REUTERS/Gleb Garanich

A man takes a dip in icy waters during celebrations of the Orthodox Christian feast of Epiphany at the Joseph-Volokolamsk monastery in Moscow Region, Russia January 19, 2021. REUTERS/Maxim Shemetov TPX IMAGES OF THE DAY

A man takes a dip in the icy water during Orthodox Epiphany celebrations in the village of Ivankovychi, Ukraine January 19, 2021. REUTERS/Gleb Garanich

A woman takes a dip during celebrations of the Orthodox Christian feast of Epiphany near the village of Kosmos in Almaty Region, Kazakhstan January 19, 2021. REUTERS/Pavel Mikheyev TPX IMAGES OF THE DAY

Men take a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in the rebel-controlled town of Alchevsk in Luhansk Region, Ukraine January 19, 2021. REUTERS/Alexander Ermochenko

An orthodox priest cheers after throwing a wooden cross into the Moraca river during an Orthodox Christian ritual to mark the feast of Epiphany in Podgorica, Montenegro, January 19, 2021. REUTERS/Stevo Vasiljevic

A man takes a dip in the icy waters of the Istra river during Orthodox Epiphany celebrations in the town of Istra in the Moscow Region, January 18, 2021. REUTERS/Maxim Shemetov

An orthodox priest consecrates the waters of Moraca river during an Orthodox Christian ritual to mark the feast of Epiphany in Podgorica, Montenegro, January 19, 2021. REUTERS/Stevo Vasiljevic

A man steps down to take a dip in icy waters during celebrations of the Orthodox Christian feast of Epiphany at the Joseph-Volokolamsk monastery in Moscow Region, Russia January 19, 2021. REUTERS/Maxim Shemetov

An orthodox faithful shows Serbian three-finger salute after retrieving a wooden cross from the Moraca river during an Orthodox Christian ritual to mark the feast of Epiphany in Podgorica, Montenegro, January 19, 2021. REUTERS/Stevo Vasiljevic

A man takes a dip during celebrations of the Orthodox Christian feast of Epiphany in the settlement of Moskalenki in Omsk Region, Russia January 19, 2021. REUTERS/Alexey Malgavko TPX IMAGES OF THE DAY

An orthodox priest takes a dip in the Moraca river in Podgorica during an Orthodox Christian ritual to mark the feast of Epiphany in Podgorica, Montenegro January 19, 2021. REUTERS/Stevo Vasiljevic

A man takes a dip in icy waters during celebrations of the Orthodox Christian feast of Epiphany at the Joseph-Volokolamsk monastery in Moscow Region, Russia January 19, 2021. REUTERS/Maxim Shemetov

People take part in celebrations of the Orthodox Christian feast of Epiphany in the settlement of Moskalenki in Omsk Region, Russia January 19, 2021. REUTERS/Alexey Malgavko

A man takes a dip during celebrations of the Orthodox Christian feast of Epiphany in Almaty, Kazakhstan January 18, 2021. Picture taken January 18, 2021. REUTERS/Pavel Mikheyev

Women walk to take a dip during celebrations of the Orthodox Christian feast of Epiphany in the village of Kormilovka in Omsk Region, Russia January 18, 2021. REUTERS/Alexey Malgavko

A man takes a dip during celebrations of the Orthodox Christian feast of Epiphany in the village of Kormilovka in Omsk Region, Russia January 18, 2021. REUTERS/Alexey Malgavko