German President Frank-Walter Steinmeier's silhouette is seen as he listens to a video where relatives of the victims speak, during a commemoration for the one year anniversary of an attack in Hanau, where a man who had posted a racist manifesto online shot dead nine people in two shisha bars, in Hanau, Germany February 19, 2021. REUTERS/Kai Pfaffenbach/Pool

A pelican is seen in silhouette at sunset as the coronavirus disease (COVID-19) pandemic continues at Bayfront Park in Sarasota, Florida, February 15, 2021. REUTERS/Shannon Stapleton

A silhouette of a windmill and a man ice skating are seen during a cold snap across the country in Molenaarsgraaf, Netherlands February 12, 2021. REUTERS/Eva Plevier

A silhouette of a windmill and a man ice skating are seen during a cold snap across the country in Molenaarsgraaf, Netherlands February 12, 2021. REUTERS/Eva Plevier

Silhouettes of Saudi men are seen during the opening ceremony of the fourth annual Future Investment Initiative in Riyadh, Saudi Arabia, January 27, 2021. REUTERS/Ahmed Yosri

The silhouette of Germany's Economy Minister Peter Altmaier is seen during a news conference on the annual economic report in Berlin, Germany January 27, 2021. Odd Andersen/Pool via REUTERS

Silhouettes of Saudi men are seen during the opening ceremony of the fourth annual Future Investment Initiative in Riyadh, Saudi Arabia, January 27, 2021. REUTERS/Ahmed Yosri

Soccer Football - Championship - Middlesbrough v Blackburn Rovers - Riverside Stadium, Middlesbrough, Britain - January 24, 2021 General view of the silhouette of Middlesbrough's Marcus Bettinelli during warm up before the match Action Images/Lee Smith

Soccer Football - Championship - Middlesbrough v Blackburn Rovers - Riverside Stadium, Middlesbrough, Britain - January 24, 2021 General view of the silhouette of Middlesbrough's Marcus Bettinelli during warm up before the match Action Images/Lee Smith

Soccer Football - Championship - Middlesbrough v Blackburn Rovers - Riverside Stadium, Middlesbrough, Britain - January 24, 2021 General view of the silhouette of Middlesbrough's Marcus Bettinelli during warm up before the match Action Images/Lee Smith

A member of law enforcement using binoculars is seen in silhouette on the roof of the Capitol Building, the day before a legislative session begins in Olympia, Washington, U.S. January 10, 2021. REUTERS/Lindsey Wasson TPX IMAGES OF THE DAY

People are seen in silhouette on a street on a winter day in Beijing, following the coronavirus disease (COVID-19) outbreak, China, December 21, 2020. REUTERS/Tingshu Wang

A silhouette of a man wearing a protective face mask is reflected inside an empty closed business in the Bucktown section of Chicago, as the outbreak of the coronavirus disease (COVID-19) continues, in Chicago, Illinois, U.S., December 9, 2020. REUTERS/Shannon Stapleton

Soccer Football - Women's Super League - Everton v Manchester City - Walton Hall Park, Liverpool, Britain - December 6, 2020 A silhouette of a camera operator during the match Action Images via Reuters/Molly Darlington

A silhouette of a worker wiping the roof is seen at a shopping mall in Jakarta, Indonesia, November 28, 2020. REUTERS/Ajeng Dinar Ulfiana TPX IMAGES OF THE DAY

A silhouette of the skyline is pictured at sunset in Quezon City, Metro Manila, Philippines, November 27, 2020. REUTERS/Eloisa Lopez

A silhouette of the skyline is pictured at sunset in Quezon City, Metro Manila, Philippines, November 27, 2020. REUTERS/Eloisa Lopez

A view shows a silhouette of Alan Shearer's statue, amid the coronavirus disease (COVID-19) outbreak, in Newcastle upon Tyne, Britain November 24, 2020. REUTERS/Lee Smith

The New York Stock Exchange (NYSE) is seen as people walk in silhouette in the financial district of New York, U.S., November 19, 2020. REUTERS/Shannon Stapleton

A horse rider is seen in silhouette at sunset during the second national lockdown to fight the spread of the coronavirus disease (COVID-19), in Sancourt near Cambrai, France, November 18, 2020. REUTERS/Pascal Rossignol

A horse rider is seen in silhouette at sunset during the second national lockdown to fight the spread of the coronavirus disease (COVID-19), in Sancourt near Cambrai, France, November 18, 2020. REUTERS/Pascal Rossignol

A migrant is seen in silhouette near a fire before being evacuated by French gendarmes at a makeshift migrant camp near the A1 highway in Saint-Denis near Paris, France, November 17, 2020. REUTERS/Noemie Olive

Migrants are seen in silhouette as they gather near a fire before being evacuated by French gendarmes at a makeshift migrant camp near the A1 highway in Saint-Denis near Paris, France, November 17, 2020. REUTERS/Noemie Olive

Golf - The Masters - Augusta National Golf Club - Augusta, Georgia, U.S. - November 15, 2020 The silhouette of Dustin Johnson of the U.S. hitting a tee shot on the 4th hole during the final round REUTERS/Mike Segar

Golf - The Masters - Augusta National Golf Club - Augusta, Georgia, U.S. - November 15, 2020 The silhouette of Dustin Johnson of the U.S. hitting a tee shot on the 4th hole during the final round REUTERS/Mike Segar

Golf - The Masters - Augusta National Golf Club - Augusta, Georgia, U.S. - November 15, 2020 The silhouette of Mexico's Abraham Ancer hitting a tee shot on the 4th hole during the final round REUTERS/Mike Segar

Golf - The Masters - Augusta National Golf Club - Augusta, Georgia, U.S. - November 15, 2020 The silhouette of Mexico's Abraham Ancer hitting a tee shot on the 4th hole during the final round REUTERS/Mike Segar

People are seen in silhouette at sunset at LaDue Reservoir in Auburn and Troy Townships in Geauga County, Ohio, U.S., November 9, 2020. REUTERS/Shannon Stapleton TPX IMAGES OF THE DAY

People are seen in silhouettes in front of a bonfire, in Ouston, Durham County, Britain November 5, 2020. REUTERS/Lee Smith

A person is seen in silhouette in front of a bonfire, in Ouston, Durham County, Britain November 5, 2020. REUTERS/Lee Smith

A person is seen in silhouette in front of a bonfire, in Ouston, Durham County, Britain November 5, 2020. REUTERS/Lee Smith TPX IMAGES OF THE DAY

Shadows and silhouettes of shoppers are seen in Newcastle city centre, after new nationwide restrictions were announced during the coronavirus disease (COVID-19) outbreak in Newcastle upon Tyne, Britain, November 4, 2020. REUTERS/Lee Smith

Shadows and silhouettes of shoppers are seen in Newcastle city centre, after new nationwide restrictions were announced during the coronavirus disease (COVID-19) outbreak in Newcastle upon Tyne, Britain, November 4, 2020. REUTERS/Lee Smith

People are seen in silhouettes behind a banner against the U.S. President Donald Trump on a bridge on Election Day, in Phoenix, Arizona, U.S., November 3, 2020. REUTERS/Edgard Garrido

People are seen in silhouettes near Lake Geneva ahead of the new lockdown measures during the coronavirus disease (COVID-19) outbreak, in Geneva, Switzerland November 2, 2020. REUTERS/Denis Balibouse

The silhouette of a street-born cat is seen on a house shaped like a circus inside El Jardinet dels Gats (Cats' Garden), which is a cat shelter in the Raval district, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain September 26, 2020. Picture taken September 26, 2020. REUTERS/Nacho Doce

People are seen in silhouettes with an art installation, made out of 10.000 origami angels created by school children, in the background, amid the outbreak of the coronavirus disease (COVID-19), in Ripon Cathedral, in Ripon, Britain October 26, 2020. REUTERS/Lee Smith

Silhouettes of workers at the U.S. auto parts manufacturer Aptiv are seen during a protest inside the plant demanding, according to local media, to suspend work due to the spread of the coronavirus disease (COVID-19), in Ciudad Juarez, Mexico October 23, 2020. Photo taken October 23, 2020. REUTERS/Jose Luis Gonzalez

A silhouette of a masked Air Force One crew member is seen on a mobile stairway as U.S. President Donald Trump and first lady Melania Trump descend from Air Force One at Joint Base Andrews, Maryland, U.S., October 23, 2020. REUTERS/Tom Brenner

U.S. President Donald Trump is seen on a projector screen behind the silhouettes of campaign flyers at a ?MAGA Meetup? presidential debate watch party, hosted inside the Republican Party of Eau Claire County office in Altoona, Wisconsin, U.S., October 22, 2020. REUTERS/Bing Guan

A man in silhouette wearing a protective face mask cleans leaves, amid the coronavirus disease (COVID-19) pandemic, from a street in Pittsburgh, Pennsylvania, U.S., October 22, 2020. REUTERS/Shannon Stapleton

The silhouette of a burning paper made globe is seen during a demonstration against the fossil fuel industry, in front of the headquarters of the European Central Bank (ECB), in Frankfurt, Germany, October 21, 2020. REUTERS/Kai Pfaffenbach

A person is seen in silhouette while riding a bicycle, amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain October 20, 2020. REUTERS/Phil Noble

People are seen in silhouettes as they walk near a tram stop, amid the outbreak of the coronavirus disease (COVID-19), in Manchester, Britain October 20, 2020. REUTERS/Phil Noble

A child's silhouette is seen where a new home is being built in the community "El sueno de todos", (Everybody's dream) an unauthorized settlement without potable water, drainage system and electricity, where people have moved in with their families after losing their jobs and income, during the coronavirus disease (COVID-19) outbreak, at Puente Alto area in the outskirts of Santiago, Chile August 22, 2020. Picture taken August 22, 2020. REUTERS/Ivan Alvarado ?

Silhouettes representing the victims of the El Mozote massacre are seen outside the installations of El Salvador's Air Force as the military rejected a request by a judge to access files on the 1981's El Mozote massacre, in Ilopango, El Salvador October 12, 2020. REUTERS/Jose Cabezas

A silhouette of a man is seen fishing in the Port of Galway, Ireland, October 11, 2020. Picture taken October 11, 2020. REUTERS/Clodagh Kilcoyne

Golf - European Tour - BMW PGA Championship - Wentworth Golf Club, Virginia Water, Britain - October 11, 2020 General view of the silhouette of England's Tyrrell Hatton in action during the final round Action Images via Reuters/Paul Childs

Golf - European Tour - BMW PGA Championship - Wentworth Golf Club, Virginia Water, Britain - October 11, 2020 General view of the silhouette of Denmark's Joachim Hansen in action during the final round Action Images via Reuters/Paul Childs

A staffer silhouette is seen as the lights are on in the White House residence on a day that U.S. President Donald Trump has no scheduled public appearances while he continue fighting the coronavirus disease (COVID-19) in Washington, U.S., October 8, 2020. REUTERS/Carlos Barria

Silhouettes of UAE Foreign Minister Sheikh Abdullah bin Zayed al-Nahyan and his Israeli counterpart Gabi Ashkenazi are pictured before their historic meeting at Villa Borsig in Berlin, Germany, October 6, 2020. REUTERS/Hannibal Hanschke/Pool TPX IMAGES OF THE DAY

Silhouettes of UAE Foreign Minister Sheikh Abdullah bin Zayed al-Nahyan, his Israeli counterpart Gabi Ashkenazi and German Foreign Minister Heiko Maas are pictured before their historic meeting at Villa Borsig in Berlin, Germany, October 6, 2020. REUTERS/Hannibal Hanschke/Pool

A silhouette representing a victim of the El Mozote massacre is seen in front of the facilities of El Salvador's General Staff of the Armed Forces during a protest to request that a judge have access to the files of the El Mozote Massacre that have been denied by the Salvadoran government in San Salvador, El Salvador, October 5, 2020. REUTERS/Jose Cabezas

Silhouettes representing the victims of the El Mozote massacre are seen in front of the facilities of El Salvador?s General Staff of the Armed Forces during a protest to request that a judge have access to the files that have been denied by the Salvadoran government in San Salvador, El Salvador, October 5, 2020. REUTERS/Jose Cabezas

A man is seen in silhouette reflected in a window of a restaurant practicing social distancing at Kent State University in Kent, Ohio, U.S., September 28, 2020. REUTERS/Shannon Stapleton

People seen in silhouettes stand in front of and walk over the Millennium Bridge, amid the outbreak of the coronavirus disease (COVID-19), in London, Britain September 28, 2020. REUTERS/Toby Melville

A person is seen in silhouette while lighting a traditional torch during a vigil held in support of carers and the elderly, after a sharp rise in contagion and deaths due to the coronavirus disease (COVID-19) among the elderly, on the grounds of the Mater Dei Hospital, Tal-Qroqq, Malta September 26, 2020. REUTERS/Darrin Zammit Lupi

A person is seen in silhouette while lighting a traditional torch during a vigil held in support of carers and the elderly, after a sharp rise in contagion and deaths due to the coronavirus disease (COVID-19) among the elderly, on the grounds of the Mater Dei Hospital, Tal-Qroqq, Malta September 26, 2020. REUTERS/Darrin Zammit Lupi

Tennis - ATP 500 - Hamburg European Open - Am Rothenbaum, Hamburg, Germany - September 22, 2020 Spectators are seen in silhouette as they wait before they are allowed in to the centre court following the outbreak of the coronavirus disease (COVID-19) REUTERS/Cathrin Mueller

Tennis - ATP 500 - Hamburg European Open - Am Rothenbaum, Hamburg, Germany - September 22, 2020 Spectators are seen in silhouette as they wait before they are allowed in to the centre court following the outbreak of the coronavirus disease (COVID-19) REUTERS/Cathrin Mueller