Greece's Orthodox Church, Ieronymos II and Bishop Brian Farrell, Secretary of the Pontifical Council for Promoting Christian Unity, attend a ceremony to mark the return of three Parthenon fragments from the Vatican, at the Parthenon Gallery of the Acropolis Museum, in Athens, Greece March 24, 2023. REUTERS/Louiza Vradi 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo , in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and its former province Kosovo, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and Kosovo, its former, mainly Albanian southern province, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and Kosovo, its former, mainly Albanian southern province, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and Kosovo, its former, mainly Albanian southern province, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People walk in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and Kosovo, its former, mainly Albanian southern province, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

People stand in a procession during a protest of Serb nationalists and Orthodox Christians against a Western plan aimed at mending ties between Serbia and Kosovo, its former, mainly Albanian southern province, in Belgrade, Serbia, March 5, 2023. REUTERS/Marko Djurica
 

Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, prays during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Miltos Benakis, a member of the Greek rescue team from Thessaloniki speaks as Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, looks on during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Greek Orthodox community and two members of the Greek rescue team attend a commemoration for the earthquake victims, led by Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Greek Orthodox community and two members of the Greek rescue team attend a commemoration for the earthquake victims, led by Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, prays during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, addresses Greek Orthodox community during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, addresses Greek Orthodox community during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, addresses Greek Orthodox community during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

Ecumenical Patriarch Bartholomew I, the spiritual head of some 300 million Orthodox Christians worldwide, addresses Greek Orthodox community during a commemoration for the earthquake victims, at the Patriarchal Church of St. George in Istanbul, Turkey February 12, 2023. REUTERS/Murad Sezer 

The Greek Orthodox Patriarch of Jerusalem, Theophilus visits the Church of the Flagellation to see a statue of Jesus which was, according to church authorities, vandalized by a Jewish radical who was later detained, in Jerusalem, February 4, 2023. REUTERS/Ammar Awad 

The Greek Orthodox Patriarch of Jerusalem, Theophilus arrives at the Church of the Flagellation to see a statue of Jesus which was, according to church authorities, vandalized by a Jewish radical who was later detained, in Jerusalem, February 4, 2023. REUTERS/Ammar Awad 

The Greek Orthodox Patriarch of Jerusalem, Theophilus visits the Church of the Flagellation to see a statue of Jesus which was, according to church authorities, vandalized by a Jewish radical who was later detained, in Jerusalem, February 4, 2023. REUTERS/Ammar Awad 

The Greek Orthodox Patriarch of Jerusalem, Theophilus visits the Church of the Flagellation to see a statue of Jesus which was, according to church authorities, vandalized by a Jewish radical who was later detained, in Jerusalem, February 4, 2023. REUTERS/Ammar Awad 

A Ukrainian serviceman prepares to take a dip in icy waters during celebrations of the Orthodox Christian feast of Epiphany, amid Russia's attack on Ukraine, in Sloviansk, Donetsk region, Ukraine January 19, 2023. REUTERS/Oleksandr Ratushniak 

A Ukrainian serviceman takes a dip in icy waters during celebrations of the Orthodox Christian feast of Epiphany, amid Russia's attack on Ukraine, in Sloviansk, Donetsk region, Ukraine January 19, 2023. REUTERS/Oleksandr Ratushniak 

People bathe in a font as others gather nearby during celebrations of the Orthodox Christian feast of Epiphany outside Achairsky Monastery in the Omsk region, Russia, January 19, 2023. REUTERS/Alexey Malgavko 

People light and place candles near Achairsky Monastery during celebrations of the Orthodox Christian feast of Epiphany in the Omsk region, Russia, January 19, 2023. REUTERS/Alexey Malgavko 

Believers gather in a font near Achairsky Monastery during celebrations of the Orthodox Christian feast of Epiphany in the Omsk region, Russia, January 19, 2023. REUTERS/Alexey Malgavko 

A believer plunges into icy water during celebrations of the Orthodox Christian feast of Epiphany near Achairsky Monastery in the Omsk region, Russia, January 19, 2023. REUTERS/Alexey Malgavko 

Believers gather in a font near Achairsky Monastery during celebrations of the Orthodox Christian feast of Epiphany in the Omsk region, Russia, January 19, 2023. REUTERS/Alexey Malgavko 

A man takes a dip in the icy waters of a pond near Achairsky Monastery during celebrations of the Orthodox Christian feast of Epiphany in the Omsk region, Russia, January 19, 2023. REUTERS/Alexey Malgavko 

A rower chases a duck before marking celebration of Orthodox Christian feast of Epiphany in Podgorica, Montenegro January 19, 2023. REUTERS/Stevo Vasiljevic. 

Believers wait for a priest to have their water blessed during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Alchevsk in the Luhansk region, Russian-controlled Ukraine, January 19, 2023. REUTERS/Pavel Klimov 

A believer jumps into Ribnica river from flooded bridge to mark Orthodox Christian feast of Epiphany in Podgorica, Montenegro January 19, 2023. REUTERS/Stevo Vasiljevic. 

A believer is assisted by a rescuer while walking out of water during celebrations marking the Orthodox Christian feast of Epiphany in the Black Sea resort city of Saky (Saki), Crimea, January 19, 2023. REUTERS/Alexey Pavlishak 

A believer dips into a wave during a ceremony marking the Orthodox Christian feast of Epiphany in the Black Sea resort city of Saky (Saki), Crimea, January 19, 2023. REUTERS/Alexey Pavlishak TPX IMAGES OF THE DAY 

A priest walks towards a flooded bridge over river Ribnica to mark Orthodox Christian feast of Epiphany in Podgorica, Montenegro January 19, 2023. REUTERS/Stevo Vasiljevic. 

A priest conducts a ceremony during celebrations of the Orthodox Christian feast of Epiphany in the Black Sea resort city of Saky (Saki), Crimea, January 19, 2023. REUTERS/Alexey Pavlishak 

A believer crosses himself while walking out of water during celebrations of the Orthodox Christian feast of Epiphany in the Black Sea resort city of Saky (Saki), Crimea, January 19, 2023. REUTERS/Alexey Pavlishak 

Believers stand on a flooded bridge over river Ribnica to mark Orthodox Christian feast of Epiphany in Podgorica, Montenegro January 19, 2023. REUTERS/Stevo Vasiljevic. 

A boy jumps into Ribnica river from a flooded bridge to mark Orthodox Christian feast of Epiphany in Podgorica, Montenegro January 19, 2023. REUTERS/Stevo Vasiljevic. 

A child is assisted in an attempt to draw icy water during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Luhansk, Russian-controlled Ukraine, January 19, 2023. REUTERS/Alexander Ermochenko 

A man crosses himself while taking a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Luhansk, Russian-controlled Ukraine, January 19, 2023. REUTERS/Alexander Ermochenko 

A man crosses himself while taking a dip in icy water during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Alchevsk in the Luhansk region, Russian-controlled Ukraine, January 19, 2023. REUTERS/Alexander Ermochenko 

People attend a ceremony during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Alchevsk in the Luhansk region, Russian-controlled Ukraine, January 19, 2023. REUTERS/Alexander Ermochenko 

Believers plunge into icy water during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Alchevsk in the Luhansk region, Russian-controlled Ukraine, January 19, 2023. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY 

Believers plunge into icy water during celebrations of the Orthodox Christian feast of Epiphany in the course of Russia-Ukraine conflict in Alchevsk in the Luhansk region, Russian-controlled Ukraine, January 19, 2023. REUTERS/Alexander Ermochenko 

An Orthodox priest blesses the water during the Orthodox Christian feast of Epiphany celebrations at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko TPX IMAGES OF THE DAY 

An Orthodox priest blesses the water during the Orthodox Christian feast of Epiphany celebrations at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko 

Believers and priests attend the Orthodox Christian feast of Epiphany service inside Uspenskyi (Holy Dormition) Cathedral at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko 

Metropolitan Epifaniy I, head of the Orthodox Church of Ukraine, leads the Orthodox Christian feast of Epiphany service inside Uspenskyi (Holy Dormition) Cathedral at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko 

Metropolitan Epifaniy I, head of the Orthodox Church of Ukraine, blesses believers as he arrives for the Orthodox Christian feast of Epiphany service at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko 

Metropolitan Epifaniy I, head of the Orthodox Church of Ukraine, prays believers with holy water during the Orthodox Christian feast of Epiphany service inside Uspenskyi (Holy Dormition) Cathedral at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko 

Metropolitan Epifaniy I, head of the Orthodox Church of Ukraine, leads the Orthodox Christian feast of Epiphany service inside Uspenskyi (Holy Dormition) Cathedral at a compound of the Kyiv-Pechersk Lavra monastery, amid Russia's attack on Ukraine, in Kyiv, Ukraine January 19, 2023. REUTERS/Vladyslav Musiienko