A fresco from Pompei is seen after antiquities worth an estimated $19 million were returned to Italy by New York City, in Rome, Italy, January 23, 2023. REUTERS/Remo Casilli 

Stones with frescoes from a church that collapsed in a series of earthquakes in central Italy in 2016 are assembled in front of photos of the original. They and thousands of other works of art are housed in a high-tech restoration and storage facility, in Spoleto, Italy, June 20, 2022, awaiting possible return to their place of origin. Picture taken June 20, 2022. REUTERS/Remo Casilli 

A fresco on a chunk of stone from a church that collapsed in a series of earthquakes in central Italy in 2016, is pictured in a high-tech restoration and storage facility, where thousands of other works of art await possible return to their place of origin, in Spoleto, Italy, June 20, 2022. Picture taken June 20, 2022. REUTERS/Remo Casilli 

Archbishop Francesco Massera points to a fresco at a new museum for art recovered and restored from churches damaged in a series of earthquakes in central Italy in 2016, in San Severino Marche, Italy June 11, 2016. Picture taken June 11, 2022. REUTERS/Philip Pullella 

A destroyed fresco is seen, as Russia's invasion of Ukraine continues, in Irpin, near Kyiv, Ukraine, April 19, 2022. REUTERS/Viacheslav Ratynskyi 

A view shows dress creations "Ensemble du soir long" by late designer Yves Saint Laurent (1936-2008) installed next to the fresco "la Fee Electricite" by painter Raoul Dufy (1877-1953) as part of the exhibition Yves Saint Laurent Aux Musees, to celebrate the 60th anniversary of the first Yves Saint Laurent runway show, at the Musee d'Art Moderne de Paris in Paris, France, January 24, 2022. Picture taken on January 24, 2022. REUTERS/Sarah Meyssonnier 

A woman looks at the dress creations "Ensemble du soir long" by late designer Yves Saint Laurent (1936-2008) installed next to the fresco "la Fee Electricite" by painter Raoul Dufy (1877-1953) as part of the exhibition Yves Saint Laurent Aux Musees, to celebrate the 60th anniversary of the first Yves Saint Laurent runway show, at the Musee d'Art Moderne de Paris in Paris, France, January 24, 2022. Picture taken on January 24, 2022. REUTERS/Sarah Meyssonnier 

A view shows dress creations "Ensemble du soir long" by late designer Yves Saint Laurent (1936-2008) installed next to the fresco "la Fee Electricite" by painter Raoul Dufy (1877-1953) as part of the exhibition Yves Saint Laurent Aux Musees, to celebrate the 60th anniversary of the first Yves Saint Laurent runway show, at the Musee d'Art Moderne de Paris in Paris, France, January 24, 2022. Picture taken on January 24, 2022. REUTERS/Sarah Meyssonnier 

A general view shows a room, with frescoes on the ceiling by Guercino, inside Villa Aurora, a building that boasts Caravaggio's only ceiling mural, which is up for auction in January with an opening bid set at 471 million euros, in Rome, Italy, November 16, 2021. REUTERS/Remo Casilli 

A general view shows a room, with frescoes on the ceiling by Italian artists including Guercino and Domenichino, inside Villa Aurora, a building that boasts Caravaggio's only ceiling mural, which is up for auction in January with an opening bid set at 471 million euros, in Rome, Italy, November 16, 2021. REUTERS/Remo Casilli 

A general view shows a room, with frescoes on the ceiling by Italian artists including Guercino and Domenichino, inside Villa Aurora, a building that boasts Caravaggio's only ceiling mural, which is up for auction in January with an opening bid set at 471 million euros, in Rome, Italy, November 16, 2021. REUTERS/Remo Casilli 

A general view shows a room, with frescoes on the ceiling by Guercino, inside Villa Aurora, a building that boasts Caravaggio's only ceiling mural, which is up for auction in January with an opening bid set at 471 million euros, in Rome, Italy, November 16, 2021. REUTERS/Remo Casilli 

A view shows Napoleon I dressed as an Emperor and surrounded by great figures of Christianism, on the fresco named "The History of Christianity" by painter Jean-Claude Ziegler (1804-1856), on the half-dome above the altar in the Madeleine Church in Paris, France, April 21, 2021. Picture taken April 21, 2021. REUTERS/Sarah Meyssonnier 

A view shows Napoleon I dressed as an Emperor and surrounded by great figures of Christianism, part of the fresco named "The History of Christianity" by painter Jean-Claude Ziegler (1804-1856), on the half-dome above the altar in the Madeleine Church, in Paris, France, April 21, 2021. Picture taken April 21, 2021. REUTERS/Sarah Meyssonnier 

French artist Saype spray-paints a giant fresco on the ground as part of his worldwide "Beyond Walls" project in Sea Point, Cape Town, South Africa, January 18, 2021. Picture taken January 18, 2021. REUTERS/Mike Hutchings 

French artist Saype spray-paints a giant fresco on the ground as part of his worldwide "Beyond Walls" project in Langa township, Cape Town, South Africa, January 22, 2021. Picture taken January 22, 2021. REUTERS/Mike Hutchings 

French artist Saype spray-paints a giant fresco on the ground as part of his worldwide "Beyond Walls" project in Philippi township, Cape Town, South Africa, January 20, 2021. Picture taken January 20, 2021. REUTERS/Mike Hutchings 

French artist Saype spray-paints a giant fresco on the ground as part of his worldwide "Beyond Walls" project in Philippi township, Cape Town, South Africa, January 20, 2021. Picture taken January 20, 2021. REUTERS/Mike Hutchings 

French artist Saype spray-paints a giant fresco on the ground as part of his worldwide "Beyond Walls" project in Philippi township, Cape Town, South Africa, January 20, 2021. Picture taken January 20, 2021. REUTERS/Mike Hutchings 

French artist Saype spray-paints a giant fresco on the ground as part of his worldwide "Beyond Walls" project in Philippi township, Cape Town, South Africa, January 20, 2021. Picture taken January 20, 2021. REUTERS/Mike Hutchings 

Curtains cover Christian frescoes inside Hagia Sophia Grand Mosque during the afternoon prayer in Istanbul, Turkey, July 26, 2020. REUTERS/Murad Sezer 

A combination picture shows a view of Hagia Sophia or Ayasofya, a UNESCO World Heritage Site, which was a Byzantine cathedral before being converted into a mosque and then to a museum, June 30, 2020 and the same spot as curtains covering Christian frescoes are pictured at Hagia Sophia Grand Mosque after Friday prayers, in Istanbul, Turkey July 24, 2020. REUTERS/Murad Sezer 

Curtains covering Christian frescoes are pictured at Hagia Sophia Grand Mosque after Friday prayers, in Istanbul, Turkey, July 24, 2020. REUTERS/Murad Sezer 

Curtains covering Christian frescoes are pictured at Hagia Sophia Grand Mosque after Friday prayers, in Istanbul, Turkey, July 24, 2020. REUTERS/Murad Sezer 

A curtain covering a Christian fresco is pictured at Hagia Sophia Grand Mosque after Friday prayers, in Istanbul, Turkey, July 24, 2020. REUTERS/Murad Sezer 

People enjoy al fresco dining at a bar following the outbreak of the coronavirus disease (COVID-19), in New York City, New York, U.S., July 5, 2020. REUTERS/Jeenah Moon TPX IMAGES OF THE DAY 

People enjoy al fresco dining in the West Village neighborhood of New York City, U.S., July 5, 2020. REUTERS/Jeenah Moon 

People enjoy al fresco dining at bars and restaurants in the West Village neighborhood in New York City, U.S., July 5, 2020. REUTERS/Jeenah Moon 

Belgian artist Gael Atumesa, originally from Congo, poses in front of his fresco in the Matonge district of Brussels, Belgium, June 13, 2020. Picture taken June 13, 2020. REUTERS/Francois Lenoir 

Belgian artist Gael Atumesa, originally from Congo, poses in front of his fresco in the Matonge district of Brussels, Belgium, June 13, 2020. Picture taken June 13, 2020. REUTERS/Francois Lenoir 

Belgian artist Gael Atumesa, originally from Congo, poses in front of his fresco in the Matonge district of Brussels, Belgium, June 13, 2020. Picture taken June 13, 2020. REUTERS/Francois Lenoir 

People sit al fresco at a bar and restaurant amid the global outbreak of the coronavirus disease (COVID-19), in Austin, Texas, U.S., June 28, 2020. REUTERS/Sergio Flores 

People enjoy al fresco dining at bars and restaurants after a joint LGBTQ and Black Lives Matter march on the 51st anniversary of the Stonewall riots in New York City, New York, U.S. June 28, 2020. REUTERS/Eduardo Munoz 

People enjoy al fresco dining at bars and restaurants after a joint LGBTQ and Black Lives Matter march on the 51st anniversary of the Stonewall riots in New York City, New York, U.S. June 28, 2020. REUTERS/Eduardo Munoz 

People enjoy al fresco dining at bars and restaurants after a joint LGBTQ and Black Lives Matter march on the 51st anniversary of the Stonewall riots in New York City, New York, U.S. June 28, 2020. REUTERS/Eduardo Munoz 

A waitress takes the temperature of customers as they arrive to eat at Dudley's as restaurants are permitted to offer al fresco dining as part of phase 2 reopening during the coronavirus disease (COVID-19) outbreak in the Lower East Side neighborhood of Manhattan in New York City, U.S., June 27, 2020. REUTERS/Andrew Kelly 

People eat outside of LENA Winebar as restaurants are permitted to offer al fresco dining as part of phase 2 reopening during the coronavirus disease (COVID-19) outbreak in the Lower East Side neighborhood of Manhattan in New York City, U.S., June 27, 2020. REUTERS/Andrew Kelly 

People eat outside of LENA Winebar as restaurants are permitted to offer al fresco dining as part of phase 2 reopening during the coronavirus disease (COVID-19) outbreak in the Lower East Side neighborhood of Manhattan in New York City, U.S., June 27, 2020. REUTERS/Andrew Kelly TPX IMAGES OF THE DAY 

People eat outside of Dudley's as restaurants are permitted to offer al fresco dining as part of phase 2 reopening during the coronavirus disease (COVID-19) outbreak in the Lower East Side neighborhood of Manhattan in New York City, U.S., June 27, 2020. REUTERS/Andrew Kelly 

People eat outside on Division Street as restaurants are permitted to offer al fresco dining as part of phase 2 reopening during the coronavirus disease (COVID-19) outbreak in Manhattan, in New York City, U.S., June 27, 2020. REUTERS/Andrew Kelly 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, talks to journalists during a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier TPX IMAGES OF THE DAY 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, talks to journalists during a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, talks to journalists during a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, talks to journalists during a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

Assa Traore, sister of Adama Traore, a 24-year-old Black Frenchman who died in a 2016 police operation, attends a gathering in front of a fresco in memory of Adama Traore and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall by a group of artists "Collectif Art" in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

People stand in front of a fresco in memory of Adama Traore, a 24-year-old black Frenchman who died in a 2016 police operation, and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

People stand in front of a fresco in memory of Adama Traore, a 24-year-old black Frenchman who died in a 2016 police operation, and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

People stand in front of a fresco in memory of Adama Traore, a 24-year-old black Frenchman who died in a 2016 police operation, and George Floyd, whose death in police custody has sparked unrest in the United States, with the slogan "against racism and police violence" painted on a wall in Stains, France, June 22, 2020. REUTERS/Benoit Tessier 

A view shows a fresco made by a group of street artists honouring George Floyd, whose death in police custody has sparked unrest in the United States, in Nantes, France, June 2, 2020. REUTERS/Stephane Mahe 

A man takes a picture of a fresco made by a group of street artists honouring George Floyd, whose death in police custody has sparked unrest in the United States, in Nantes, France, June 2, 2020. REUTERS/Stephane Mahe 

A woman walks in front of a fresco made by a group of street artists honouring George Floyd, whose death in police custody has sparked unrest in the United States, in Nantes, France, June 2, 2020. REUTERS/Stephane Mahe