Chairs are marked to space students who will use the venue as a classroom starting in August to prevent the spread of coronavirus disease (COVID-19) at Tulane University in New Orleans, Louisiana, U.S., June 21, 2020. Picture taken June 21, 2020. REUTERS/Catherine Koppel

Chairs are marked to space students who will use the venue as a classroom starting in August to prevent the spread of coronavirus disease (COVID-19) at Tulane University in New Orleans, Louisiana, U.S., June 21, 2020. Picture taken June 21, 2020. REUTERS/Catherine Koppel

Chairs are marked to space students who will use the venue as a classroom starting in August to prevent the spread of coronavirus disease (COVID-19) at Tulane University in New Orleans, Louisiana, U.S., June 21, 2020. Picture taken June 21, 2020. REUTERS/Catherine Koppel

Seham, who says was injured during blast, sits on a chair in front her damaged shop, in Beirut, Lebanon August 11, 2020. REUTERS/Thaier Al-Sudani

Seham, who says was injured during blast, sits on a chair in front her damaged shop, in Beirut, Lebanon August 11, 2020. REUTERS/Thaier Al-Sudani

A man sits on a chair inside his shop, damaged in the aftermath of a massive explosion, in Beirut, Lebanon August 11, 2020. REUTERS/Thaier Al-Sudani

Chair of the Republican National Committee Ronna McDaniel looks at her mobile phone after U.S. President Donald Trump arrived at Joint Base Andrews in Maryland, U.S., August 9, 2020. REUTERS/Joshua Roberts

A man sits in wheel chair and asks for money following the coronavirus (COVID-19) disease outbreak in the Manhattan borough of New York City, New York, U.S., August 7, 2020. REUTERS/Carlo Allegri

A cleaner disinfects the chairs of the Amazonas Theatre during its reopening amid the outbreak of the coronavirus disease (COVID-19) in Manaus, Brazil August 5, 2020. Picture taken August 5, 2020. REUTERS/Bruno Kelly

A man holds a chair near damaged shops following Tuesday's blast in Beirut's port area August 6, 2020. REUTERS/Aziz Taher

Passengers sit on waiting chairs marked with the social distance signage as the Jomo Kenyatta international airport reopens after flights were suspended following the coronavirus disease (COVID-19) outbreak in Nairobi, Kenya August 1, 2020. REUTERS/Njeri Mwangi

A man carries chairs at the West Shore beach in Llandudno, Wales, Britain July 31, 2020. REUTERS/Carl Recine

Deck-chairs stand on the shore of the lake Steinsee during a hot, sunny day in Germany, July 31, 2020. REUTERS/Michael Dalder

Deck-chairs stand on the shore of the lake Steinsee during a hot, sunny day in Germany, July 31, 2020. REUTERS/Michael Dalder

Deputy Mayor for Culture and Creative Industries Justine Simons OBE, Artist Heather Phillipson and Chair of the Fourth Plinth Comissioning Group Ekow Eshun pose next to Phillipson's sculpture ''THE END'', after it was unveiled on Trafalgar Square's Fourth Plinth, in London, Britain, July 30, 2020. REUTERS/John Sibley

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline (D-RI), speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline (D-RI), speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline (D-RI), speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Graeme Jennings/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline (D-RI), speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Mandel Ngan/Pool via REUTERS

House Judiciary Subcommittee on Antitrust, Commercial and Administrative Law Chair David Cicilline (D-RI), speaks during a hearing on "Online Platforms and Market Power", in the Rayburn House office Building on Capitol Hill, in Washington, U.S., July 29, 2020. Mandel Ngan/Pool via REUTERS

A chair is seen inside the Auberge Ravoux, where Dutch painter Vincent Van Gogh spent his last weeks in Auvers-sur-Oise near Paris, France, July 29, 2020. REUTERS/Christian Hartmann

A House Judiciary Committee staff member cleans Chairman Jerrold Nadler's (D-NY) chair with a disinfecting wipe ahead of U.S. Attorney General William Barr's testimony in the Congressional Auditorium at the U.S. Capitol Visitors Center, in Washington, U.S., July 28, 2020. Chip Somodevilla/Pool via REUTERS

Bavarian State Prime Minister Markus Soeder chairs a cabinet meeting in the garden of the State Chancellery in Munich, Germany, July 28, 2020. Peter Kneffel/Pool via Reuters

Bavarian State Prime Minister Markus Soeder chairs a cabinet meeting in the garden of the State Chancellery in Munich, Germany, July 28, 2020. Peter Kneffel/Pool via Reuters

A staff member wearing a face mask wipes a chair with disinfectant at a terrace of ACE cinema ahead of its reopening, following the coronavirus disease (COVID-19) outbreak, in Beijing, China July 28, 2020. REUTERS/Tingshu Wang TPX IMAGES OF THE DAY

Members of the Faith and Politics Institute, a group formerly co-chaired by late civil rights pioneer and longtime U.S. Representative John Lewis (D-GA), surround his casket and pause for prayers as Lewis lies in state at the center of the U.S. Capitol Rotunda in Washington, U.S., July 27, 2020. REUTERS/Jonathan Ernst/Pool

Members of the Faith and Politics Institute, a group formerly co-chaired by late civil rights pioneer and longtime U.S. Representative John Lewis (D-GA), surround his casket and pause for prayers as Lewis lies in state at the center of the U.S. Capitol Rotunda in Washington, U.S., July 27, 2020. REUTERS/Jonathan Ernst/Pool

Members of the Faith and Politics Institute, a group formerly co-chaired by late civil rights pioneer and longtime U.S. Representative John Lewis (D-GA), surround his casket and pause for prayers as Lewis lies in state at the center of the U.S. Capitol Rotunda in Washington, U.S., July 27, 2020. REUTERS/Jonathan Ernst/Pool

Chair of the Congressional Black Caucus Karen Bass sits before the ceremony preceding the lying in state of the late U.S. Representative from Georgia John Lewis in the Rotunda of the U.S. Capitol in Washington, D.C., U.S. July 27, 2020. Shawn Thew/Pool via REUTERS

A staff member of a bar carries chairs, amid the coronavirus disease (COVID-19) outbreak, in Gothic quarter in Barcelona, Spain July 27, 2020. REUTERS/Albert Gea

Pictures of people are seen on chairs to maintain social distancing between spectators at the Municipal Theatre of Nicosia, as it reopens doors to the public following the easing of measures against the spread of the coronavirus disease (COVID-19) in Cyprus, June 26, 2020. REUTERS/Yiannis Kourtoglou

Pictures of people are seen on chairs to maintain social distancing between spectators at the Municipal Theatre of Nicosia, as it reopens doors to the public following the easing of measures against the spread of the coronavirus disease (COVID-19) in Cyprus, June 26, 2020. REUTERS/Yiannis Kourtoglou

Pictures of people are seen on chairs to maintain social distancing between spectators at the Municipal Theatre of Nicosia, as it reopens doors to the public following the easing of measures against the spread of the coronavirus disease (COVID-19) in Cyprus, June 26, 2020. REUTERS/Yiannis Kourtoglou

Pictures of people are seen on chairs to maintain social distancing between spectators at the Municipal Theatre of Nicosia, as it reopens doors to the public following the easing of measures against the spread of the coronavirus disease (COVID-19) in Cyprus, June 26, 2020. REUTERS/Yiannis Kourtoglou

A healthcare worker wearing protective gear disinfects the chairs used by people who came for coronavirus disease (COVID-19) tests at an Institute for Health Research, Epidemiological Surveillance and Training (IRESSEF) testing center, in Dakar, Senegal July 24, 2020. REUTERS/Zohra Bensemra

European Parliament president David-Maria Sassoli chairs a plenary session on the conclusions of the extraordinary European Council meeting at the European Parliament in Brussels, Belgium July 23, 2020. Francois Walschaerts/Pool via REUTERS

French President Emmanuel Macron meets apprentice cooks from an association chaired by French chef Thierry Marx during a visit on the theme of the "learning summer camps" at Chambord castle, France July 22, 2020. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron meets apprentice cooks from an association chaired by French chef Thierry Marx during a visit on the theme of the "learning summer camps" at Chambord castle, France July 22, 2020. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron meets apprentice cooks from an association chaired by French chef Thierry Marx during a visit on the theme of the "learning summer camps" at Chambord castle, France July 22, 2020. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron meets apprentice cooks from an association chaired by French chef Thierry Marx, during a visit on the theme of the "learning summer camps" at Chambord castle, France July 22, 2020. Ludovic Marin/Pool via REUTERS

French President Emmanuel Macron meets apprentice cooks from an association chaired by French chef Thierry Marx, during his visit on the theme of the "learning summer camps", at Chambord castle, France July 22, 2020. Ludovic Marin/Pool via REUTERS

A sign is pictured in front of the chair of the Director General before the start of the General Council of the World Trade Organization (WTO) in Geneva, Switzerland, July 22, 2020. REUTERS/Denis Balibouse

Attendees sit in chairs, spread out due to social distancing, at an event celebrating the final departure of a Qantas 747 jumbo jet from the Sydney Airport in Sydney, Australia, as Qantas retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic, July 22, 2020. REUTERS/Loren Elliott

Chairs are spaced out for social distancing, at a Qantas event celebrating the departure of its last 747 jumbo jet from the Sydney Airport in Sydney, as it retires its remaining Boeing 747 planes early due to the coronavirus disease (COVID-19) pandemic,, Australia, July 22, 2020. REUTERS/Loren Elliott

People watch the film "Le Grand Bain" seat on beach chairs and from boats at the Cinema on the water (Cinema sur l?eau) as a floating cinema with 38 socially-distant electric boats kicks off the Paris Plages summer event along the Bassin de la Villette, in Paris following the outbreak of the coronavirus disease (COVID-19) in France July 18, 2020. REUTERS/Gonzalo Fuentes

People watch the film "Le Grand Bain" seat on beach chairs and from boats at the Cinema on the water (Cinema sur l?eau) as a floating cinema with 38 socially-distant electric boats kicks off the Paris Plages summer event along the Bassin de la Villette, in Paris following the outbreak of the coronavirus disease (COVID-19) in France July 18, 2020. REUTERS/Gonzalo Fuentes

People watch the film "Le Grand Bain" seat on beach chairs and from boats at the Cinema on the water (Cinema sur l?eau) as a floating cinema with 38 socially-distant electric boats kicks off the Paris Plages summer event along the Bassin de la Villette, in Paris following the outbreak of the coronavirus disease (COVID-19) in France July 18, 2020. REUTERS/Gonzalo Fuentes

People watch the film "Le Grand Bain" seat on beach chairs and from boats at the Cinema on the water (Cinema sur l?eau) as a floating cinema with 38 socially-distant electric boats kicks off the Paris Plages summer event along the Bassin de la Villette, in Paris following the outbreak of the coronavirus disease (COVID-19) in France July 18, 2020. REUTERS/Gonzalo Fuentes

People watch the film "Le Grand Bain" seat on beach chairs and from boats at the Cinema on the water (Cinema sur l?eau) as a floating cinema with 38 socially-distant electric boats kicks off the Paris Plages summer event along the Bassin de la Villette, in Paris following the outbreak of the coronavirus disease (COVID-19) in France July 18, 2020. REUTERS/Gonzalo Fuentes

People watch the film "Le Grand Bain" seat on beach chairs and from boats at the Cinema on the water (Cinema sur l?eau) as a floating cinema with 38 socially-distant electric boats kicks off the Paris Plages summer event along the Bassin de la Villette, in Paris following the outbreak of the coronavirus disease (COVID-19) in France July 18, 2020. REUTERS/Gonzalo Fuentes

Chairs are pictured on top of tables in a classroom at Watlington Primary School during the last day of school, amid the coronavirus disease (COVID-19) outbreak, in Watlington , Britain, July 17, 2020. REUTERS/Eddie Keogh

A municipal worker sanitizes a chair at a check-up point where healthcare workers collect swabs from people for rapid antigen tests, amidst the coronavirus disease (COVID-19) outbreak, in Ahmedabad, India, July 17, 2020. REUTERS/Amit Dave

Commission chair Mary Ann Glendon introduces U.S. Secretary of State Mike Pompeo to speak at the National Constitution Center about the Commission on Unalienable Rights in Philadelphia, Pennsylvania, U.S., July 16, 2020. Brendan Smialowski/Pool via REUTERS

Commission chair Mary Ann Glendon looks at U.S. Secretary of State Mike Pompeo before he speaks at the National Constitution Center about the Commission on Unalienable Rights in Philadelphia, Pennsylvania, U.S., July 16, 2020. Brendan Smialowski/Pool via REUTERS