An ambulance worker wearing a full personal protective equipment (PPE) is disinfected by a collage outside the emergency unit of Severo Ochoa hospital amid the coronavirus disease (COVID-19) outbreak in Leganes, outside Madrid, Spain, October 16, 2020. REUTERS/Sergio Perez

An ambulance worker wearing a full personal protective equipment (PPE) is disinfected by a collage outside the emergency unit of Severo Ochoa hospital amid the coronavirus disease (COVID-19) outbreak in Leganes, outside Madrid, Spain, October 16, 2020. REUTERS/Sergio Perez

An ambulance worker wearing a full personal protective equipment (PPE) is disinfected by a collage outside the emergency unit of Severo Ochoa hospital amid the coronavirus disease (COVID-19) outbreak in Leganes, outside Madrid, Spain, October 16, 2020. REUTERS/Sergio Perez

An ambulance worker wearing a full personal protective equipment (PPE) is disinfected by a collage outside the emergency unit of Severo Ochoa hospital amid the coronavirus disease (COVID-19) outbreak in Leganes, outside Madrid, Spain, October 16, 2020. REUTERS/Sergio Perez

A photo collage in a shape of Sichuan province is seen at an exhibition on poverty alleviation outside a hall for a news conference, in Chengdu, Sichuan province, China September 9, 2020. REUTERS/Tingshu Wang

A man walks past the 'Wall of Shame', an anti-racism poster by street artist Laika, a collage of what the artist deems as racist comments published by Italians on social media, displayed on a wall with the hashtag '#StopRacism', in Rome, Italy, June 18, 2020. REUTERS/Guglielmo Mangiapane

A man walks past the 'Wall of Shame', an anti-racism poster by street artist Laika, a collage of what the artist deems as racist comments published by Italians on social media, displayed on a wall with the hashtag '#StopRacism', in Rome, Italy, June 18, 2020. REUTERS/Guglielmo Mangiapane

Dray Tate sings "A Change is Going to Come" while a collage of protests plays on a video screen and and visual artist Ange Hillz creates a painting of George Floyd during the funeral for George Floyd on Tuesday, June 9, 2020, at The Fountain of Praise church in Houston. Floyd died after being restrained by Minneapolis Police officers on May 25. Godofredo A. Vasquez/Pool via REUTERS

Dray Tate sings "A Change is Going to Come" while a collage of protests plays on a video screen and and visual artist Ange Hillz creates a painting of George Floyd during the funeral for George Floyd on Tuesday, June 9, 2020, at The Fountain of Praise church in Houston. Floyd died after being restrained by Minneapolis Police officers on May 25. Godofredo A. Vasquez/Pool via REUTERS

Nora Costa (L), the director of Dr. Abel Cetrangolo Mycobacteria Laboratory, and her collage Liliana Neira conduct tuberculosis lab tests at the laboratory in Buenos Aires, Argentina, March 29, 2019. Cases of the "white death" illness, closely linked to poverty, malnutrition and poor housing, have been on the rise since the turn of the decade as Latin America's third largest economy has grappled with repeat recessions and inflation.REUTERS/Magali Druscovich SEARCH "ARGENTINA TB" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Clothes hang next to a collage of photographs of swimmers on the wall in the communal room at the Sai Wan Swimming Shed in Hong Kong, China, October 4, 2018. REUTERS/Hannah McKay SEARCH "SAI SWIMMING" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Canadian Prime Minister Justin Trudeau's wife, Sophie Gregoire Trudeau (3rd L), poses for a photograph with Sophia College staff and students during her visit to the collage in Mumbai, India, February 20, 2018. REUTERS/Rajanish Kakade/Pool

Ana Ashury, a mixed-media artist, stores away her artwork on her rooftop in Ramat Gan, a suburb of Tel Aviv, Israel, November 19, 2017. While she works as a video artist most of her time, Ana has recently started to use her rooftop work space as a workshop for collage creations. REUTERS/Corinna Kern SEARCH "ROOFTOPS KERN" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES. TPX IMAGES OF THE DAY.

A collage of photos of border patrol agents killed in the line of duty is seen at the United States Border Patrol Academy in Artesia, New Mexico, U.S., June 8, 2017. REUTERS/Lucy Nicholson SEARCH "PATROL ACADEMY" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A delegate holds a collage of Hillary Clinton at the Democratic National Convention in Philadelphia, Pennsylvania. U.S. July 27, 2016. REUTERS/Charles Mostoller

A supporter of Republican presidential candidate Donald Trump wears a shirt emblazoned with images of the politician as he is interviewed at a campaign rally in Greensboro, North Carolina on June 14, 2016. REUTERS/Jonathan Drake

A supporter of Republican presidential candidate Donald Trump displays a shirt emblazoned with the politician's images at his campaign rally in Greensboro, North Carolina on June 14, 2016. REUTERS/Jonathan Drake

People are seen living in tents in a shelter at Manta Collage in Manta May 6, 2016, after an earthquake struck off Ecuador's Pacific coast last month. REUTERS/Guillermo Granja

A woman breastfeeds a baby in a shelter at Manta Collage in Manta May 6, 2016, after an earthquake struck off Ecuador's Pacific coast last month. REUTERS/Guillermo Granja

People are seen living in tents in a shelter at Manta Collage in Manta May 6, 2016, after an earthquake struck off Ecuador's Pacific coast last month. REUTERS/Guillermo Granja

Tents are seen in a shelter at Manta Collage in Manta May 6, 2016, after an earthquake struck off Ecuador's Pacific coast last month. REUTERS/Guillermo Granja

Children run near tents in a shelter at Manta Collage in Manta May 6, 2016, after an earthquake struck off Ecuador's Pacific coast last month. REUTERS/Guillermo Granja

Executive producers Bill Collage (L), Chris Brancato (C), and Reza Aslan (R) participate in a panel discussion for the Disney ABC series "Of Kings and Prophets" during the Television Critics Association Winter press tour in Pasadena, California, January 9, 2016. REUTERS/Alex Gallardo

Britain's Prince William holds a poster of a photo collage created after an interactive photography activity during a visit to The Diana Award where he took part in anti-bullying activity sessions at Bournville College, Birmingham, England, December 7, 2015. REUTERS/Rui Vieira/Pool

An advertisement poster promoting China's renminbi (RMB) or yuan , U.S. dollar and Euro exchange services is seen outside at foreign exchange store in Hong Kong, China August 13, 2015. German Bund yields edged up on Thursday following efforts by China's central bank to slow a sharp descent of the yuan that has prompted investors this week to seek safe-haven assets. REUTERS/Tyrone Siu

A man walks past an advertisement promoting China's renminbi (RMB) or yuan, U.S. dollar and Euro exchange services at foreign exchange store in Hong Kong, China, August 13, 2015. German Bund yields edged up on Thursday following efforts by China's central bank to slow a sharp descent of the yuan that has prompted investors this week to seek safe-haven assets. REUTERS/Tyrone Siu

A customer is served at a counter at a foreign exchange store in Hong Kong, China, August 13, 2015. German Bund yields edged up on Thursday following efforts by China's central bank to slow a sharp descent of the yuan that has prompted investors this week to seek safe-haven assets. REUTERS/Tyrone Siu

A security guard walks past a montage of U.S. dollar bills outside a currency exchange bureau, ahead of a scheduled state visit by U.S. President Barack Obama, in Kenya's capital Nairobi July 23, 2015. Obama will land in Kenya on Friday with a mission to strengthen U.S. security and economic ties, but his personal connection to his father's birthplace will dominate a trip that Kenyans view as a native son returning home. REUTERS/Thomas Mukoya TPX IMAGES OF THE DAY

A security guard walks past a montage of old U.S. dollar bills outside a currency exchange bureau ahead of a scheduled State visit by the U.S. President Barack Obama in Kenya's capital Nairobi July 23, 2015. Obama will land in Kenya on Friday with a mission to strengthen U.S. security and economic ties, but his personal connection to his father's birthplace will dominate a trip that Kenyans view as a native son returning home. REUTERS/Thomas Mukoya

Architect Luigi Rosselli assembles a collage of sketches on Australian property he has designed at his office gallery in Sydney, April 20, 2015. As Australia's cooling mining sector takes a lump out of its employment statistics, an army of white-collar professionals is more than filling the gap, courtesy of a housing sector stoked by record low interest rates. REUTERS/Jason Reed

Architect Luigi Rosselli (C) works to staff to assemble a collage of sketches on Australian property he has designed at his office gallery in Sydney, April 20, 2015. As Australia's cooling mining sector takes a lump out of its employment statistics, an army of white-collar professionals is more than filling the gap, courtesy of a housing sector stoked by record low interest rates. REUTERS/Jason Reed

Britain's Catherine, Duchess of Cambridge, helps a student from Holy Trinity & St. John's Primary School with a collage art project during a visit to Turner Contemporary in Margate, southern England, March 11, 2015. REUTERS/Suzanne Plunkett (BRITAINROYALS - Tags: ROYALS EDUCATION)

Chantal Roy (L) and Robert Desmarais sit down for breakfast under a collage of political campaign stickers at Chez Vachon in Manchester, New Hampshire December 17, 2014. As New Hampshire braces for another wave of White House hopefuls next year seeking votes in the first-in-the-nation nominating primary, much of the credit for the state's hold on that position goes to one man: Secretary of State William Gardner. Picture taken December 17, 2014. To match Feature USA-POLITICS/NEWHAMPSHIRE REUTERS/Brian Snyder (UNITED STATES - Tags: POLITICS)

Chantal Roy (L) and Robert Desmarais sit down for breakfast under a collage of political campaign stickers at Chez Vachon in Manchester, New Hampshire December 17, 2014. As New Hampshire braces for another wave of White House hopefuls next year seeking votes in the first-in-the-nation nominating primary, much of the credit for the state's hold on that position goes to one man: Secretary of State William Gardner. Picture taken December 17, 2014. To match Feature USA-POLITICS/NEWHAMPSHIRE REUTERS/Brian Snyder (UNITED STATES - Tags: POLITICS)

A woman takes a picture of "2007" by Dmitry Vrubel and Viktoria Timofeyeva, a collage of portraits showing Russian President Vladimir Putin, former Soviet leader Leonid Brezhnev and other characters during an open museum night in the Winzavod art centre in Moscow May 18, 2007. Political controversy, tight security, worries about costs and mega-construction projects: for Sochi 2014, read Moscow 1980. The Communist Soviet Union has collapsed and the Cold war has ended since Moscow organised the Summer Olympics 34 years ago, but there are still some striking parallels with the Winter Games opening in Sochi on February 7, 2014. In bringing the Olympics to Russia, President Vladimir Putin is following in a tradition dating back to Soviet times of using sport to project his country as a world-beating superpower. For ageing Soviet leader Leonid Brezhnev, sport was one of the few fields where a country facing shortages and lagging the West on living standards could show itself as a dominant force. Picture taken May 18, 2007. REUTERS/Thomas Peter (RUSSIA - Tags: SPORT OLYMPICS SOCIETY POLITICS)

Visitors walk past a collage of prints know as " The Triumphal Arch of Emperor Maximilian I." by German Renaissance painter Albrecht Duerer during a preview of the 'Duerer' exhibition at the Staedel museum in Frankfurt, October 22, 2013. The exhibition opens tomorrow and runs until February 2, 2014. REUTERS/Kai Pfaffenbach (GERMANY - Tags: ENTERTAINMENT)

Cut up Soviet period bank notes used to make a collage are seen on the desk of artist Igor Arinich in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich cuts up Soviet period bank notes to make a collage in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich makes a collage from Soviet period bank notes in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich cuts up Soviet period bank notes to make a collage in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich cuts up Soviet period bank notes to make a collage in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich puts together a collage using Soviet period bank notes, in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich puts together a collage using Soviet period bank notes, in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Artist Igor Arinich shows his collage which recreates the painting "Bathing of a Red Horse" by Kuzma Petrov-Vodkin using Soviet period bank notes, in Minsk February 28, 2013. Arinich buys the old currency from private individuals and spends several months creating each image using between 500 to 3000 bank notes. REUTERS/Vasily Fedosenko (BELARUS - Tags: SOCIETY)

Bluetooth speakers using electrostatic loudspeaker (ESL) technology are displayed in the In2uit booth during the Consumer Electronics Show (CES) in Las Vegas January 9, 2013. The Taiwanese company introduced the Collage (L) speakers, costing $499.00, and the Filo speakers (R) at the show. The ESL technology allows speaker makers to manufacture very thin speakers that still produce a full range of sound and use less energy, a representative said. REUTERS/Steve Marcus (UNITED STATES - Tags: BUSINESS SCIENCE TECHNOLOGY)

Ron Raucci from Norfolk, Virginia, reacts to the needle while getting his Captain America tattoo at the Hampton Roads Tattoo Festival in Virginia March 2, 2012. Raucci, who serves in the U.S. Navy, grew up reading Marvel comic books and has a leg tattoo collage featuring Captain America and Wolverine, his next planned tattoo will feature The Hulk. Picture taken March 2, 2012. REUTERS/Larry Downing (UNITED STATES - Tags: SOCIETY)

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A tattoo of Wolverine is pictured on the right leg of Ron Raucci before receiving his latest Captain America tattoo at the Hampton Roads Tattoo Festival in Virginia, March 2, 2012. Raucci, who is the U.S. Navy, grew up reading Marvel comic books and has a leg tattoo collage featuring Captain America, Wolverine and his next planned tattoo will feature The Hulk. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY)

A just-completed tattoo of Captain America, by artist Sean Karn, is shown on the leg of Ron Raucci during the Hampton Roads Tattoo Festival in Virginia, March 2, 2012. The tattoo was completed from start to finish in one, five-and-a-half hour session and won the prestigious tattoo of the day contest. Raucci, who is the U.S. Navy, grew up reading Marvel comic books and has a leg tattoo collage featuring Captain America, Wolverine and his next planned tattoo will feature The Hulk. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY)

Artist Sean Karn takes a picture of his work, a tattoo of Captain America, to show his client Ron Raucci during the Hampton Roads Tattoo Festival in Virginia, March 2, 2012. Raucci, who is the U.S. Navy, grew up reading Marvel comic books and has a leg tattoo collage featuring Captain America, Wolverine and his next planned tattoo will feature The Hulk. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY)

Artist Sean Karn applies a tattoo of Captain America on the leg of Ron Raucci during the Hampton Roads Tattoo Festival in Virginia, March 2, 2012. Raucci, who is in the U.S. Navy, grew up reading Marvel comic books and has a leg tattoo collage featuring Captain America, Wolverine and his next planned tattoo will feature The Hulk. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY)

Ron Raucci holds a Captain America and Hulk stencil against his right leg before having a tattoo done at the Hampton Roads Tattoo Festival in Virginia, March 2, 2012. Raucci, who is in the U.S. Navy, grew up reading Marvel comic books and has a leg tattoo collage featuring Captain America, Wolverine and his next planned tattoo will feature The Hulk. REUTERS/Jason Reed (UNITED STATES - Tags: SOCIETY)

Jellied eels (top row L-R), scotch eggs, bangers and mash (middle row L-R), a full English breakfast, roast beef and yorkshire pudding, pie and mash in liquor, crumble and custard (bottom row L-R), bread and butter pudding and strawberries and cream are seen in this combination photograph taken June 13, 2012. A menu of oddly named and sometimes oddly tasting traditional British dishes awaits adventurous diners visiting London for the Olympic Games this summer. REUTERS/Suzanne Plunkett (BRITAIN - Tags: FOOD SPORT OLYMPICS TPX IMAGES OF THE DAY)
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A citizen takes to the poll to cast her vote in the recall election against Republican Wisconsin Governor Scott Walker in Milwaukee, Wisconsin June 5, 2012. The rematch with Milwaukee's Democratic Mayor Tom Barrett, who Walker defeated in a Republican sweep of the state in 2010, is the end-game of six months of bitter fighting in the Midwestern Rust Belt state over the union restrictions Walker proposed and enacted. The mural, showing a collage of visiting Hispanic artists who performed in the area, is located at the Hispanic Heritage Center in Milwaukee. REUTERS/Darren Hauck (UNITED STATES - Tags: POLITICS ELECTIONS)

A gate is seen along the footpath of the Regent's Canal in London March 24, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 24, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 36 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'

A life belt is seen along the footpath of the Regent's Canal in Little Venice in London, March 20, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 20, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 35 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'

People sit in a boat at Little Venice on the Regent's Canal, in north London March 24, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 24, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 34 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'

A life belt is seen along the footpath of the Regent's Canal in London March 20, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 20, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 33 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'

Houses are reflected in the Regent's Canal in London March 20, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 20, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 31 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'

A bird stands on a broken boat on the Regent's Canal in London March 20, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 20, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 30 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'

A worker climbs up a tree along the Regent's Canal in London, March 20, 2012. The nine-mile (14.5-kilometre) Regent's Canal is one of the capital's best-kept secrets. Largely hidden behind buildings, the line sneaks its way through a rich collage of urban landscapes. Starting at the houseboats of Little Venice, it wends its way through Camden Lock and fashionable East London, and bypasses the site of the London 2012 Olympic Games before ending in Limehouse Basin. Picture taken March 20, 2012. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT OLYMPICS TRAVEL) ATTENTION EDITORS - PICTURE 29 OF 36 FOR PICTURE PACKAGE 'DOWN THE REGENT'S CANAL'