Police officers and staff at the Queen Elizabeth Hospital applaud to show their appreciation for National Health Service (NHS) workers amid the coronavirus disease (COVID-19) outbreak, during the weekly "Clap for our Carers" event in Glasgow, Britain Thursday, April 23, 2020. Jeff J Mitchell/ Pool via REUTERS

A restaurant staff sends food up with a rope to a delivery worker as the nearest entrance to downstairs has been blocked following the novel coronavirus disease (COVID-19) outbreak, at the Galaxy Soho office buildings in Beijing, China April 16, 2020. REUTERS/Tingshu Wang

Police officers applaud to the medical staff in front of the Gregorio Maranon hospital, in support for healthcare workers, amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain, April 6, 2020. REUTERS/Susana Vera

Female office workers wearing high heels and clothes of the same colour walk at a business district in Tokyo, Japan, June 4, 2019. REUTERS/Kim Kyung-Hoon

Women in high heels walk at a business district in Tokyo, Japan, June 4, 2019. REUTERS/Kim Kyung-Hoon

Female office workers wearing high heels, clothes and bags of the same colour are seen at a business district in Tokyo, Japan, June 4, 2019. REUTERS/Kim Kyung-Hoon

British Prime Minister Theresa May talks with staff and a case worker at Advance Charity offices in West London where she discussed support for victims of domestic violence, in Britain May 13, 2019. Victoria Jones/Pool via REUTERS

White House Chief of Staff Mick Mulvaney listens to U.S. President Donald Trump during a meeting with manufacturers and manufacturing workers in the Oval Office of the White House in Washington, U.S., January 31, 2019. REUTERS/Jonathan Ernst

An investor watches a board showing stock information at a brokerage office in Beijing, China October 8, 2018. REUTERS/Jason Lee

German customs officers walk through Cologne's main railways station during a raid looking for illegal workers in restaurants, at constructions sites and in the logistics sector in Cologne, Germany September 11, 2018. REUTERS/Wolfgang Rattay

A man walks inside the mall of a commercial tower at the financial Central district in Hong Kong, China November 23, 2017. REUTERS/Bobby Yip

A man talks on the phone as office lightning is seen through the windows of a building in downtown Buenos Aires, Argentina August 11, 2017. REUTERS/Marcos Brindicci

Masae Miyachi, 41, a staff worker of Kaonavi Inc., smiles during an interview with Reuters at the company's office in Tokyo, Japan June 29, 2017. Picture taken June 29, 2017. REUTERS/Toru Hanai

Masae Miyachi, 41, a staff worker of Kaonavi Inc., works at the company's office in Tokyo, Japan June 29, 2017. Picture taken June 29, 2017. REUTERS/Toru Hanai

Masae Miyachi, 41, a staff worker of Kaonavi Inc., speaks during an interview with Reuters at the company's office in Tokyo, Japan June 29, 2017. Picture taken June 29, 2017. REUTERS/Toru Hanai

Custom officials hold up seized pangolin scales at Kuala Lumpur airport customs complex in Sepang May 8, 2017. REUTERS/Rozanna Latiff

A U.S. Customs and Border Patrol officer patrols along the secondary fence between the U.S. and Mexico in San Diego, California, U.S. April 21, 2017. REUTERS/Mike Blake

U.S. President Donald Trump, watched by (L-R) Vice President Mike Pence, White House Chief of Staff Reince Priebus, head of the White House Trade Council Peter Navarro and senior advisor Jared Kushner, signs an executive order that places a hiring freeze on non-military federal workers in the Oval Office of the White House in Washington January 23, 2017. REUTERS/Kevin Lamarque

Offices in the financial district of Canary Wharf in London, Britain January 19, 2017. Picture taken January 19, 2017. REUTERS/Kevin Coombs

Offices in the financial district of Canary Wharf in London, Britain January 19, 2017. Picture taken January 19, 2017. REUTERS/Kevin Coombs

Fishermen from India hold handouts as they are guided by policemen, after they were released from a prison, at Cantonment railway station in Karachi, Pakistan, December 25, 2016. REUTERS/Akhtar Soomro

Seijiro Katsura, a 44-year-old office worker, checks market rates for investment opportunities using his laptop computer at his home in Tokyo, Japan December 10, 2016. Picture taken December 10, 2016. REUTERS/Issei Kato

Seijiro Katsura, a 44-year-old office worker, checks market rates for investment opportunities using his laptop computer at his home in Tokyo, Japan December 10, 2016. Picture taken December 10, 2016. REUTERS/Issei Kato

White House spokesman Josh Earnest speaks to reporters about the presidential election victory of Republican Donald Trump from the White House in Washington November 9, 2016. REUTERS/Kevin Lamarque

White House spokesman Josh Earnest speaks to reporters about the presidential election victory of Republican Donald Trump from the White House in Washington November 9, 2016. REUTERS/Kevin Lamarque

Second Lieutenant Roshan Gul, 22 (L), First Lieutenant Nelofar Frotan, 23 (C), and Second Lieutenant Morsal Afshar, 22 (R), work at the human resources office in the Ministry of Defence in Kabul, Afghanistan October 31, 2016. REUTERS/Mohammad Ismail SEARCH "KABUL TRAINING" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES.

Funeral parlour workers, policemen, reporters and the relatives of a person who was killed, wait for investigation to be done outside a house in Manila, Philippines early November 1, 2016. According to police and witnesses, unknown masked gunmen killed five people inside a house that is a known drug den. REUTERS/Damir Sagolj TPX IMAGES OF THE DAY

Tunisia's Investment Minister Fadhel Abdelkefi works in his office in Tunis, Tunisia, October 24, 2016. Picture taken October 24, 2016. REUTERS/Zoubeir Souissi

Antonio Palocci (L), former finance minister and presidential chief of staff in recent Workers Party (PT) governments, is escorted by federal police officers as he leaves the Institute of Forensic Science in Curitiba, Brazil, September 26, 2016. REUTERS/Rodolfo Buhrer/File photo

Antonio Palocci (front), former finance minister and presidential chief of staff in recent Workers Party (PT) governments, is escorted by federal police officers as he leaves the Institute of Forensic Science in Curitiba, Brazil, September 26, 2016. REUTERS/Rodolfo Buhrer

Antonio Palocci (C), former finance minister and presidential chief of staff in recent Workers Party (PT) governments, is escorted by federal police officers as he leaves the Institute of Forensic Science in Curitiba, Brazil, September 26, 2016. REUTERS/Rodolfo Buhrer

Antonio Palocci (front), former finance minister and presidential chief of staff in recent Workers Party (PT) governments, is escorted by federal police officers as he leaves the Institute of Forensic Science in Curitiba, Brazil, September 26, 2016. REUTERS/Rodolfo Buhrer

Antonio Palocci (L), former finance minister and presidential chief of staff in recent Workers Party (PT) governments, is escorted by federal police officers as he leaves the Institute of Forensic Science in Curitiba, Brazil, September 26, 2016. REUTERS/Rodolfo Buhrer

Antonio Palocci (C), former finance minister and presidential chief of staff in recent Workers Party (PT) governments, is escorted by federal police officers as he leaves the Institute of Forensic Science in Curitiba, Brazil, September 26, 2016. REUTERS/Rodolfo Buhrer TPX IMAGES OF THE DAY

REFILE - CORRECTING GRAMMAR A suspected illegal miner (C) is questioned by police after he emerged from an underground Johannesburg's oldest gold mine in Langlaagte, South Africa September 12, 2016. REUTERS/Siphiwe Sibeko TPX IMAGES OF THE DAY

Republican presidential nominee Donald Trump makes a visit to a Trump campaign call center in Asheville, North Carolina, U.S., September 12, 2016. REUTERS/Mike Segar

Republican presidential nominee Donald Trump talks on the phone during a visit to a Trump campaign call center in Asheville, North Carolina, U.S., September 12, 2016. REUTERS/Mike Segar

Republican presidential nominee Donald Trump makes a visit to a Trump campaign call center in Asheville, North Carolina, U.S., September 12, 2016. REUTERS/Mike Segar

A police officer gestures to a suspected illegal miner after he surfaced from an underground Johannesburg's oldest gold mine in Langlaagte, South Africa September 12, 2016. REUTERS/Siphiwe Sibeko

A suspected illegal miner (C) is questioned by police after he emerged from an underground Johannesburg's oldest gold mine in Langlaagte, South Africa September 12, 2016. REUTERS/Siphiwe Sibeko

A suspected illegal miner (C) is questioned by police after he emerged from an underground Johannesburg's oldest gold mine in Langlaagte, South Africa September 12, 2016. REUTERS/Siphiwe Sibeko

Congolese agents sit in their cubicles as they speak on the phones with their clients, inside the Congo Call Center (CCC) in the Democratic Republic of Congo's capital Kinshasa, July 26, 2016. Picture taken July 26, 2016. REUTERS/Aaron Ross

People work at the Facebook office in Berlin, Germany, August 29, 2016. REUTERS/Stefanie Loos

Britain's Catherine, Duchess of Cambridge, reacts during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine (L), Duchess of Cambridge, listens on a set of headphones during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine, Duchess of Cambridge, smiles during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine, Duchess of Cambridge, smiles during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine, Duchess of Cambridge, smiles during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Prince William (2nd L), listens on a set of headphones during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine, Duchess of Cambridge, and Prince William smile during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Prince William and Catherine (R), Duchess of Cambridge, smile during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine, Duchess of Cambridge, smiles during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Britain's Catherine, Duchess of Cambridge, waves during a visit to a helpline service, as part of a Heads Together campaign in London, Britain, August 25, 2016. REUTERS/Arthur Edwards/Pool

Nick Merrill, national traveling press secretary for U.S. Democratic presidential candidate Hillary Clinton, is reflected in a window while talking to reporters on a campaign bus in Tampa, Florida, U.S. July 22, 2016. REUTERS/Brian Snyder

White House Press Secretary Josh Earnest speaks about the Bastille Day truck attack in Nice during a daily press briefing at the White House in Washington, U.S. July 15, 2016. REUTERS/Yuri Gripas

White House Press Secretary Josh Earnest speaks about the Bastille Day truck attack in Nice during a daily press briefing at the White House in Washington, U.S. July 15, 2016. REUTERS/Yuri Gripas

White House Press Secretary Josh Earnest speaks about the Bastille Day truck attack in Nice during a daily press briefing at the White House in Washington, U.S. July 15, 2016. REUTERS/Yuri Gripas

Team leader Kelly-Anne Mackay is assisted by Heather McInerney as they assemble a remote voting station in the western New South Wales outback town of Enngonia, Australia, June 22, 2016. REUTERS/David Gray SEARCH "VOTE OUTBACK" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES.

French Force Ouvriere (FO) labour union General Secretary Jean-Claude Mailly (R) and French CGT trade union head Philippe Martinez leave after a meeting with the Interior minister in Paris, France, June 22, 2016 after French police banned a planned demonstration this week against labour reforms, bringing to a head a stand-off between the government and trade unions which have been spearheading protests against the changes for months. REUTERS/Stephane Mahe

French Force Ouvriere (FO) labour union General Secretary Jean-Claude Mailly (R) and French CGT trade union head Philippe Martinez leave after a meeting with the Interior minister in Paris, France, June 22, 2016 after French police banned a planned demonstration this week against labour reforms, bringing to a head a stand-off between the government and trade unions which have been spearheading protests against the changes for months. REUTERS/Stephane Mahe