Prime Minister Boris Johnson walks across Horse Guards Parade, amid the coronavirus disease (COVID-19) outbreak, in London, Britain November 6, 2020. REUTERS/Simon Dawson

A face mask to protect against the coronavirus lies on the ground surrounded by autumnal leaves, as the COVID-19 spread continues, in Berlin, Germany, October 28, 2020. REUTERS/Fabrizio Bensch

A boy rollerblades past an art-van with paintings put on sale by Palestinian artists, amid the coronavirus disease (COVID-19) spread, in the southern Gaza Strip May 30, 2020. Picture taken May 30, 2020. REUTERS/Ibraheem Abu Mustafa

Palestinian artist, Ammar Abu Shamalla, displays paintings for sale on an art van, amid the coronavirus disease (COVID-19) crisis, in the southern Gaza Strip May 30, 2020. Picture taken May 30, 2020. REUTERS/Ibraheem Abu Mustafa

Palestinian artists work on paintings they display for sale on an-art van, amid the coronavirus disease (COVID-19) spread, in the southern Gaza Strip May 30, 2020. Picture taken May 30, 2020. REUTERS/Ibraheem Abu Mustafa

An artwork depicting Marwan Barghouti, a Palestinian uprising leader jailed for life by Israel, is seen as artists work on paintings that will be displayed for sale on an art van, amid the coronavirus disease (COVID-19) crisis, in the southern Gaza Strip May 30, 2020. Picture taken May 30, 2020. REUTERS/Ibraheem Abu Mustafa

A man pushes his bicycle past an art-van with paintings put on sale by Palestinian artists, amid the coronavirus disease (COVID-19) spread, in the southern Gaza Strip May 30, 2020. Picture taken May 30, 2020. REUTERS/Ibraheem Abu Mustafa

A Palestinian artist works on a painting that will be displayed for sale on an art van, amid the coronavirus disease (COVID-19) crisis, in the southern Gaza Strip May 30, 2020. Picture taken May 30, 2020. REUTERS/Ibraheem Abu Mustafa

A worker sanitizes a wedding venue as it reopens after Palestinians ease the coronavirus disease (COVID-19) restrictions in Gaza City June 4, 2020. REUTERS/Mohammed Salem

Workers sanitize a wedding venue as it reopens after Palestinians ease the coronavirus disease (COVID-19) restrictions in Gaza City June 4, 2020. REUTERS/Mohammed Salem

Workers prepare a wedding venue as it reopens after Palestinians ease the coronavirus disease (COVID-19) restrictions in Gaza City June 4, 2020. REUTERS/Mohammed Salem

A closed entrance for the National museum which tourists used to visit is seen, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka June 3, 2020. Picture taken June 3, 2020. REUTERS/Dinuka Liyanawatte

An empty view of a wooden mask carving showroom which tourists used visit is seen, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months lockdown amid concerns about the spread of the coronavirus disease (COVID-19), at Premadasa's in Colombo, Sri Lanka May 29, 2020. Picture taken May 29, 2020. REUTERS/Dinuka Liyanawatte

A deserted beach where large numbers of tourists used to come is seen, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka June 4, 2020. REUTERS/Dinuka Liyanawatte

An empty deck which tourists used to visit is seen, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka June 3, 2020. Picture taken June 3, 2020. REUTERS/Dinuka Liyanawatte

A closed art gallery which tourists used to visit to see art works is seen, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka May 27, 2020. Picture taken May 27, 2020. REUTERS/Dinuka Liyanawatte

An empty entrance to the Independence square which tourists used to visit is seen, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka May 29, 2020. Picture taken May 29, 2020. REUTERS/Dinuka Liyanawatte

Empty tables are seen at a closed beach hotel where large numbers of tourists used to come, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka June 4, 2020. REUTERS/Dinuka Liyanawatte

Customers sit on a table where a mannequin wearing cheerleader-outfit is placed for social distancing amid the coronavirus disease (COVID-19) outbreak at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

Customers sit on a table where a mannequin, wearing a cheerleader-outfit, is placed for social distancing amid the coronavirus disease (COVID-19) outbreak at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

A waitress cleans a table with alcohol as a mannequin wearing cheerleader-outfit is placed for social distancing amid the coronavirus disease (COVID-19) outbreak at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

Customers sitting on a table where a mannequin is placed for social distancing amid the coronavirus disease (COVID-19) outbreak, toast with waitresses at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

Waitresses wearing face shields and protective face masks for preventing infection amid the coronavirus disease (COVID-19) outbreak, wait for customers at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

A waitress talks to a customer next to mannequins, wearing cheerleader-outfits, placed for social distancing amid the coronavirus disease (COVID-19) outbreak at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

A customer touches a mannequin, wearing cheerleader-outfit, placed for social distancing amid the coronavirus disease (COVID-19) outbreak at the cheerleader-themed restaurant 'Cheers One' in Tokyo, Japan June 3, 2020. Picture taken June 3, 2020. REUTERS/Kim Kyung-Hoon

A man wearing a protective mask walks past a countdown clock for the Tokyo 2020 Olympic Games amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan June 4, 2020. REUTERS/Kim Kyung-Hoon

A man wearing a protective mask rides his bicycle past a large poster featuring Tokyo 2020 Olympic Games mascot Miraitowa amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan June 4, 2020. REUTERS/Kim Kyung-Hoon TPX IMAGES OF THE DAY

A man wearing a protective mask walks past a countdown clock for the Tokyo 2020 Olympic Games amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan June 4, 2020. REUTERS/Kim Kyung-Hoon

A general view of a Shangri-La hotel which tourists used to visit is seen with no lights in the rooms, after an island-wide daytime curfew has been lifted to restart the country's economic activities following an almost two-months of lockdown amid concerns about the spread of the coronavirus disease (COVID-19), in Colombo, Sri Lanka June 3, 2020. Picture taken June 3, 2020. REUTERS/Dinuka Liyanawatte REFILE - CORRECTING DATE

FILE PHOTO - A man wearing a protective mask walks past a large poster featuring Tokyo 2020 Olympic Games mascot Miraitowa amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan June 4, 2020. REUTERS/Kim Kyung-Hoon/File Picture

John Landin of Las Vegas celebrates after winning a hand of blackjack during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus TPX IMAGES OF THE DAY

A blackjack dealer wears a face shield during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

A woman wears a face shield as she dances behind blackjack tables during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Gamblers celebrate a win while playing roulette during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Gamblers play at a craps table during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Danny Owens of Sacrament, Calif. plays a slot machine during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Dominic Cummings, special advisor for Britain's Prime Minister Boris Johnson arrives in Downing Street, following the outbreak of the coronavirus disease (COVID-19), London, Britain, June 4, 2020. REUTERS/John Sibley

A casino employee cuts tape around a table games area just after midnight during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Gamblers play slot machines during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Gamblers play slot machines during the reopening of The D hotel-casino, closed by the state since March 18, 2020 as part of steps to slow the spread of the coronavirus disease (COVID-19), in downtown Las Vegas, Nevada, U.S. June 4, 2020. REUTERS/Steve Marcus

Dominic Cummings, special advisor for Britain's Prime Minister Boris Johnson arrives in Downing Street, following the outbreak of the coronavirus disease (COVID-19), London, Britain, June 4, 2020. REUTERS/John Sibley

Martin Guerrero, general director of tavern-restaurant and flamenco tablao Casa Patas, climbs a ladder to change a light bulb at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Martin Guerrero, general director of tavern-restaurant and flamenco tablao Casa Patas, climbs a ladder to change a light bulb at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, puts on her shoes to perform for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, performs for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Martin Guerrero, general director of tavern-restaurant and flamenco tablao Casa Patas, speaks during an interview with Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, looks at herself after performing for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, performs for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, performs for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, performs for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, performs for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

Mariana Collado, dancer at tavern-restaurant and flamenco tablao Casa Patas, performs for Reuters at Casa Patas, which is closed due to the lockdown imposed to fight against the coronavirus disease (COVID-19) outbreak in Madrid, Spain, June 2, 2020. Picture taken June 2, 2020. REUTERS/Juan Medina

General view of SABB bank as the government eases lockdown restrictions amid the coronavirus disease (COVID-19) outbreak, in Riyadh, Saudi Arabia June 3, 2020. Picture taken June 3, 2020. REUTERS/Ahmed Yosri

A Saudi man leaves SABB bank as the government eases lockdown restrictions amid the coronavirus disease (COVID-19) outbreak, in Riyadh, Saudi Arabia June 3, 2020. Picture taken June 3, 2020. REUTERS/Ahmed Yosri

People wearing protective face masks are seen outside Samba bank as the government eases lockdown restrictions amid the coronavirus disease (COVID-19) outbreak, in Riyadh, Saudi Arabia June 3, 2020. Picture taken June 3, 2020. REUTERS/Ahmed Yosri

Saudi men are seen at SABB bank as the government eases lockdown restrictions amid the coronavirus disease (COVID-19) outbreak, in Riyadh, Saudi Arabia June 3, 2020. Picture taken June 3, 2020. REUTERS/Ahmed Yosri

A volunteer prepares free food packages for people with financial difficulties on the altar of the Santa Anna church before being delivered, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, June 1, 2020. Picture taken June 1, 2020. REUTERS/Nacho Doce

Volunteers are pictured next to boxes with free food packages for people with financial difficulties at the entrance of the Santa Anna church before being delivered at the people homes, amid the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, June 1, 2020. Picture taken June 1, 2020. REUTERS/Nacho Doce