A reveller reacts amid a “flour war” during the “Ash Monday” celebrations, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in the port town of Galaxidi, Greece, on March 11, 2019. (Photo by Aris Messinis/AFP Photo)

Revellers celebrate “Ash Monday” by participating in a colourful “flour war”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in Galaxidi, Greece February 19, 2018. (Photo by Alkis Konstantinidis/Reuters)

An Orthodox Jew child from Israel yells as other members of the community protest at a government facility where they are being held after being detained last Sunday during an operation by agents of the National Institute of Migration (INM), in Huixtla, Chiapas state, Mexico on September 28, 2022. (Photo by Jose Torres/Reuters)

Revellers participate in a colourful “flour war”, celebrating the “Ash Monday” or “Clean Monday”, a traditional festivity marking the end of the carnival season and the start of the 40-day Lent period until the Orthodox Easter, in the town of Galaxidi, Greece, on March 18, 2024. (Photo by Louisa Gouliamaki/Reuters)

A baby is baptised during a mass baptism ceremony on Epiphany day in Tbilisi, January 19, 2015. About 1000 children were baptised by the Georgian Orthodox church during the 38th mass baptism ceremony at the country's main cathedral Holy Trinity. (Photo by David Mdzinarishvili/Reuters)

Russian Orthodox Patriarch Kirill releases a white dove after a service marking the Holiday of Annunciation at the Kremlin in Moscow on April 7, 2023. In Christianity, Annunciation celebrates the revelation to the Virgin Mary that she would bear a son, Jesus. (Photo by Natalia Kolesnikova/AFP Photo)

Believers burn dried oak branches, which symbolizes the Yule log, on Orthodox Christmas Eve in front of the St. Sava temple in Belgrade, Serbia, January 6, 2016. Serbian Orthodox believers celebrate Christmas on January 7, according to the Julian calendar. (Photo by Marko Djurica/Reuters)

Ukrainians swim in an ice hole as part of the celebration of the Epiphany in Kiev, Ukraine, Monday, January 19, 2015. Orthodox believers celebrate the holiday of the Epiphany on Jan. 19, and traditionally bathe in holes cut through thick ice on rivers and ponds to cleanse themselves with water deemed holy for the day. (Photo by Sergei Chuzavkov/AP Photo)