The financial district of La Defense with the Arche and the headquarters of Societe Generale and EDF are seen during a nationwide curfew, from 6 p.m to 6 a.m, due to tighter measures against the spread of the coronavirus disease (COVID-19) near Paris, France, February 23, 2021. Picture taken February 23, 2021. REUTERS/Christian Hartmann

The financial district of La Defense with the Arche and the headquarters of Societe Generale and EDF are seen during a nationwide curfew, from 6 p.m to 6 a.m, due to tighter measures against the spread of the coronavirus disease (COVID-19) near Paris, France, February 23, 2021. Picture taken February 23, 2021. REUTERS/Christian Hartmann

The Gateway Arch is seen across from snow covered banks of the Mississippi River during cold weather in St Louis, Missouri, U.S. February 11, 2021. REUTERS/Lawrence Bryant

The Gateway Arch is seen across from snow covered banks of the Mississippi River during cold weather in St Louis, Missouri, U.S. February 11, 2021. REUTERS/Lawrence Bryant

A view shows an empty street as The Arch of Hadrian is seen in background, amid lockdown restrictions due to the spread of the coronavirus disease (COVID-19) pandemic in Athens, Greece, February 6, 2021. REUTERS/Costas Baltas

Arche de la Defense is seen in La Defense business district in Courbevoie near Paris, France, January 17, 2021. REUTERS/Gonzalo Fuentes

A Belgian military personnel member wears a full protective suit during the disinfection of an ambulance amid the coronavirus disease (COVID-19) outbreak, with the Cinquantenaire arch in the background, in Brussels, Belgium November 13, 2020. REUTERS/Johanna Geron

A Belgian military personnel member wears a full protective suit during the disinfection of an ambulance amid the coronavirus disease (COVID-19) outbreak, with the Cinquantenaire arch in the background, in Brussels, Belgium November 13, 2020. REUTERS/Johanna Geron

Belgian military personnel members wearing full protective suits stand in front of the Cinquantenaire arch during the disinfection of an ambulance amid the coronavirus disease (COVID-19) outbreak in Brussels, Belgium November 13, 2020. REUTERS/Johanna Geron TPX IMAGES OF THE DAY

A Belgian military personnel member wears a full protective suit during the disinfection of an ambulance amid the coronavirus disease (COVID-19) outbreak, with the Cinquantenaire arch in the background, in Brussels, Belgium November 13, 2020. REUTERS/Johanna Geron

Belgian military personnel members wearing full protective suits stand in front of the Cinquantenaire arch during the disinfection of an ambulance amid the coronavirus disease (COVID-19) outbreak in Brussels, Belgium November 13, 2020. REUTERS/Johanna Geron

The Grande Arche building-monument is seen in the La Defense business district, amid the outbreak of the coronavirus disease (COVID-19), in Paris, France, November 9, 2020. REUTERS/Benoit Tessier

The Grande Arche building-monument is seen in the La Defense business district, amid the outbreak of the coronavirus disease (COVID-19), in Paris, France, November 9, 2020. REUTERS/Benoit Tessier

The Grande Arche building-monument is seen in the La Defense business district, amid the outbreak of the coronavirus disease (COVID-19), in Paris, France, November 9, 2020. REUTERS/Benoit Tessier

People cross an empty street as the the Arch of Hadrian is seen in background, after the Greek government imposed a nationwide lockdown to contain the spread of COVID-19 in Athens, Greece, November 7, 2020. REUTERS/Costas Baltas

People wearing face masks are seen next to the Arch of Constantine as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 13, 2020. REUTERS/Guglielmo Mangiapane

People wearing face masks are seen next to the Arch of Constantine as Italy adopts new restrictions aimed at curbing a surge in the coronavirus disease (COVID-19) infections, in Rome, Italy October 13, 2020. REUTERS/Guglielmo Mangiapane

People take shelter from the rain in front of the Arch of Constantine in Rome, Italy October 7, 2020. REUTERS/Yara Nardi

The Arch of Constantine is seen during a rainy day in Rome, Italy October 7, 2020. REUTERS/Yara Nardi

Officers from the New York Police Department (NYPD) stand guard under a statue of first U.S. President George Washington on the Washington Square Arch as they monitor an Abolish I.C.E. protest in Manhattan, New York City, U.S., September 18, 2020. REUTERS/Andrew Kelly

The damaged Golden Arches of a McDonald's restaurant is pictured after Hurricane Laura passed through Lake Charles, Louisiana, U.S., August 27, 2020. REUTERS/Elijah Nouvelage

The damaged Golden Arches of a McDonald's restaurant is pictured after Hurricane Laura passed through Lake Charles, Louisiana, U.S., August 27, 2020. REUTERS/Elijah Nouvelage

People stop to look at the Household Cavalry at Horse Guards Arch, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, August 26, 2020. REUTERS/Henry Nicholls

People stop to look at the Household Cavalry at Horse Guards Arch, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, August 26, 2020. REUTERS/Henry Nicholls

People pose next to the Household Cavalry at Horse Guards Arch, amid the coronavirus disease (COVID-19) outbreak, in London, Britain, August 26, 2020. REUTERS/Henry Nicholls

A man jogs with Henry Moore's sculpture "The Arch" and Kensington Palace in the background in Kensington Gardens, London, Britain August 17, 2020. REUTERS/John Sibley

People are seen exercising through Henry Moore's sculpture "The Arch" in Kensington Gardens, London, Britain August 17, 2020. REUTERS/John Sibley

Demonstrators wearing face masks take part in a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

A demonstrator wearing a face mask takes part in a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

Demonstrators wearing face masks take part in a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

A demonstrator holds a placard during a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

A demonstrator wearing a face mask holds a placard during a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

A demonstrator wears a face mask during a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

Demonstrators wearing face masks hold placards during a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

A demonstrator wearing a face mask holds a placard during a Black Lives Matter protest at Marble Arch, in London, Britain, July 12, 2020. REUTERS/Henry Nicholls

A man wearing a face mask feeds pigeons in front of Marble Arch, as the outbreak of the coronavirus disease (COVID-19) continues in London, Britain June 22, 2020. REUTERS/John Sibley

A man stands on a natural rock arch in Ayia Napa, Cyprus June 21, 2020. REUTERS/Yiannis Kourtoglou

A woker restores an arch in the Court of Lions at the Alhambra palace as it reopens to the public under strict social distancing measures, after being closed on March 13 amid the outbreak of the coronavirus disease (COVID-19), in Granada, Spain June 17, 2020. REUTERS/Jon Nazca

A rainbow arch balloon is prepared to be flown above Covent Garden to celebrate the reopening of its shops, following the outbreak of the coronavirus disease (COVID-19) in London, Britain June 15, 2020. REUTERS/John Sibley

A rainbow arch balloon is flown above Covent Garden to celebrate the reopening of its shops, following the outbreak of the coronavirus disease (COVID-19) in London, Britain June 15, 2020. REUTERS/John Sibley

A young woman holds a sign the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Young protesters march on the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A young girl holds a sign on the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A protester takes a knee on the St. Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A man holds a sign under the St. Louis Arch during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

A young girl holds a sign in the St.Louis Arch grounds during a protest against the death in Minneapolis police custody of George Floyd, in St Louis, Missouri, U.S. June 14, 2020. REUTERS/Lawrence Bryant

Park rangers watch from afar as protestors gather under the Gateway Arch during a protest against the death in Minneapolis police custody of African-American man George Floyd, in St Louis, Missouri, U.S. June 1, 2020. Picture taken June 1,2020 REUTERS/Lawrence Bryant

Workers in tourism-related businesses hold a protest as a woman wearing protective face mask walks past the Arch of Galerius following the coronavirus disease (COVID-19) outbreak, in Thessaloniki, Greece, May 28, 2020. REUTERS/Murad Sezer

Workers in tourism-related businesses hold a protest in front of the Arch of Galerius as children look on following the coronavirus disease (COVID-19) outbreak, in Thessaloniki, Greece, May 28, 2020. REUTERS/Murad Sezer

Police officers in Marble Arch, following the outbreak of the coronavirus disease (COVID-19), London, Britain, May 16, 2020. REUTERS/John Sibley

A view shows the arch of the General Staff Building and the State Hermitage Museum before the architectural lights? partial switch off, introduced to save the city budget during the coronavirus disease (COVID-19) outbreak, in Saint Petersburg, Russia May 2, 2020. REUTERS/Anton Vaganov

A combination picture shows the arch of the General Staff Building and the State Hermitage Museum before (top) and during (bottom) the architectural lights’ partial switch off, introduced to save the city budget during the coronavirus disease (COVID-19) outbreak, in Saint Petersburg, Russia May 2, 2020. REUTERS/Anton Vaganov

A view shows the arch of the General Staff Building and the State Hermitage Museum during the architectural lights’ partial switch off, introduced to save the city budget during the coronavirus disease (COVID-19) outbreak, in Saint Petersburg, Russia May 2, 2020. REUTERS/Anton Vaganov

A closed circuit television (CCTV) surveillance camera is pictured on the Grande Arche in the business district of La Defense, as lockdown is imposed to slow the rate of the coronavirus disease (COVID-19) in Paris, France, April 17, 2020. REUTERS/Benoit Tessier

Firefighters disinfect the monument of Felipe V Arch, amid the coronavirus disease (COVID-19) outbreak in the old town in Ronda, southern Spain, April 12, 2020. REUTERS/Jon Nazca

The pink supermoon rises over the city of Venice in an astronomical event that occurs when the moon is closest to the Earth in its orbit, making it appear much larger and brighter than usual, Venice, Italy April 7, 2020. REUTERS/Manuel Silvestri

Empty streets of Venice on Palm Sunday, following the coronavirus disease (COVID-19) outbreak in Venice, Italy, April 5, 2020. REUTERS/Manuel Silvestri

A combination photo shows tourists waiting for a tram at Comercio square in downtown Lisbon, Portugal August 17, 2018 (top photo) and a bus stop next to Rua Augusta's Arch pictured during partial lockdown as part of state of emergency to combat the coronavirus disease (COVID-19) outbreak in Lisbon, Portugal March 30, 2020. REUTERS/Rafael Marchante

A bus stop next to Rua Augusta's Arch is pictured during partial lockdown as part of state of emergency to combat the coronavirus disease (COVID-19) outbreak in Lisbon, Portugal March 30, 2020. REUTERS/Rafael Marchante

A dog walks on a deserted Promenade des Anglais in Nice, as a lockdown is imposed to slow the rate of the coronavirus disease (COVID-19) in France, March 29, 2020. REUTERS/Eric Gaillard