A staff member selects gherkins during a visit of Swiss President Guy Parmelin at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Director of the Federal Office for Agriculture Christian Hofer, Swiss President Guy Parmelin, manager of the Aigle plant of Hugo Reitzel Christophe Costa, and condiments company Hugo Reitzel CEO Bernard Poupon look at gherkins during a visit at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Director of the Federal Office for Agriculture Christian Hofer looks at gherkins during a visit at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Swiss President Guy Parmelin looks at gherkins during a visit at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Swiss President Guy Parmelin speaks during a visit at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Director of the Federal Office for Agriculture Christian Hofer looks on during a visit with Swiss President Guy Parmelin at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Swiss President Guy Parmelin walks next to condiments company Hugo Reitzel CEO Bernard Poupon, during a visit at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse

Swiss President Guy Parmelin visits Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse REFILE - CORRECTING ID

Condiments company Hugo Reitzel CEO Bernard Poupon picks up a product next to Swiss President Guy Parmelin, during a visit at Reitzel about next month's Swiss vote on a pesticides ban's impact on businesses, in Aigle, Switzerland, May 11, 2021. REUTERS/Denis Balibouse REFILE - CORRECTING ID

An elderly woman talks with a healthcare worker after receiving the coronavirus disease (COVID-19) vaccine in her home in the remote mountain village of Svrke, Kolasin municipality, Montenegro, May 10, 2021. REUTERS/Stevo Vasiljevic

Villagers talk to healthcare workers after receiving coronavirus disease (COVID-19) vaccines in their home in the remote mountain village of Ljevista, Kolasin municipality, Montenegro, May 10, 2021. REUTERS/Stevo Vasiljevic

Healthcare workers talk to villagers after administering them coronavirus disease (COVID-19) vaccines in the remote mountain village Bojici, Kolasin municipality, Montenegro, May 10 2021. REUTERS/Stevo Vasiljevic

Britain?s Chair of the Labour Party Anneliese Dodds talks to a journalist as she walks past the Houses of Parliament in Westminster, London, Britain May 10, 2021. REUTERS/Henry Nicholls

Britain’s Chair of the Labour Party Anneliese Dodds talks to a journalist as she walks past the Houses of Parliament in Westminster, London, Britain May 10, 2021. REUTERS/Henry Nicholls

Britain’s Chair of the Labour Party Anneliese Dodds talks to a journalist as she walks past the Houses of Parliament in Westminster, London, Britain May 10, 2021. REUTERS/Henry Nicholls

Soccer Football - La Liga Santander - Real Madrid v Sevilla - Estadio Alfredo Di Stefano, Madrid, Spain - May 9, 2021 Real Madrid coach Zinedine Zidane talks to the referee Jose Luis Munuera Montero after the match REUTERS/Susana Vera

Soccer Football - La Liga Santander - Real Madrid v Sevilla - Estadio Alfredo Di Stefano, Madrid, Spain - May 9, 2021 Real Madrid coach Zinedine Zidane talks to the referee Jose Luis Munuera Montero after the match REUTERS/Susana Vera

France's President Emmanuel Macron talks with Hungary's Prime Minister Viktor Orban and Poland's Prime Minister Mateusz Morawiecki after a meeting in the framework of the European Social Summit in Porto, Portugal, May 8, 2021. REUTERS/Violeta Santos Moura/Pool

European Commission President Ursula von der Leyen talks with Sweden's Prime Minister Stefan Lofven and Romania's President Klaus Werner Iohannis after a meeting in the framework of the European Social Summit in Porto, Portugal, May 8, 2021. REUTERS/Violeta Santos Moura/Pool

European Commission President Ursula von der Leyen talks next to Romania's President Klaus Werner Iohannis after a meeting in the framework of the European Social Summit in Porto, Portugal, May 8, 2021. REUTERS/Violeta Santos Moura/Pool

European Commission President Ursula von der Leyen talks with Sweden's Prime Minister Stefan Lofven and Romania's President Klaus Werner Iohannis after a meeting in the framework of the European Social Summit in Porto, Portugal, May 8, 2021. REUTERS/Violeta Santos Moura/Pool

European Commission President Ursula von der Leyen talks with Sweden's Prime Minister Stefan Lofven and Romania's President Klaus Werner Iohannis after a meeting in the framework of the European Social Summit in Porto, Portugal, May 8, 2021. REUTERS/Violeta Santos Moura/Pool

Swiss Environment, Energy and Transport Minister Simonetta Sommaruga (C-R), President of the Swiss Alpine Club (CAS) Francoise Jaquet (C-L), and Swiss Olympic medalist Michelle Gisin (2nd R) talk to the media during their visit to the glacier on Mount Titlis near the Alpine resort of Engelberg May 8, 2021. REUTERS/Arnd Wiegmann

Italy's Prime Minister Mario Draghi and Portuguese Prime Minister Antonio Costa talk after a meeting in the framework of the European Social Summit in Porto, Portugal, May 8, 2021. REUTERS/Violeta Santos Moura/Pool

Prime Minister of Portugal Antonio Costa talks to the President of the European Parliament David Sassoli at the end of the closing ceremony of the conclusions of the first day of European Social Summit in Porto, Portugal, May 7, 2021. Paulo Novais/Pool via REUTERS

President of the European Commission Ursula von der Leyen talks to the press upon her arrival to attend European Social Summit in Porto, Portugal, May 7, 2021. Jose Coelho/Pool via REUTERS

Brazil's Foreign Minister Carlos Franca talks with Minister of Foreign Affairs, European Union and Cooperation in the Spanish government, Arancha Gonzalez Laya, during a meeting in Brasilia, Brazil, May 7, 2021. REUTERS/Ueslei Marcelino

Britain's Catherine, Duchess of Cambridge, talks to "Hold Still" book entrants Naz Maleknia (C) and Claudia Burton during a visit to the National Portrait Gallery archive to mark the publication of the book in London, Britain May 7, 2021 Dominic Lipinski/PA Wire/Pool via REUTERS

Britain's Catherine, Duchess of Cambridge, talks to "Hold Still" book entrants during a visit to the National Portrait Gallery archive to mark the publication of the book in London, Britain May 7, 2021 Dominic Lipinski/PA Wire/Pool via REUTERS

Britain's Prime Minister Boris Johnson talks as newly elected MP for Hartlepool Jill Mortimer looks on, at Jacksons Wharf Marina in Hartlepool following local elections, Britain, May 7, 2021. REUTERS/Lee Smith

Britain's Prime Minister Boris Johnson and newly elected MP for Hartlepool Jill Mortimer talk, with an inflatable figure depicting Johnson in the background, at Jacksons Wharf Marina in Hartlepool following local elections, Britain, May 7, 2021. REUTERS/Lee Smith

Britain's Catherine, Duchess of Cambridge, talks to "Hold Still" book entrants during a visit to the National Portrait Gallery archive to mark the publication of the book in London, Britain May 7, 2021 Dominic Lipinski/PA Wire/Pool via REUTERS

Iranian Deputy at Ministry of Foreign Affairs Abbas Araghchi leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Iranian Deputy at Ministry of Foreign Affairs Abbas Araghchi leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Iranian Deputy at Ministry of Foreign Affairs Abbas Araghchi leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Iranian Deputy at Ministry of Foreign Affairs Abbas Araghchi leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

(R-L) Portuguese Prime Minister Antonio Costa, President of the European Council Charles Michel, President of the European Commission, Ursula von der Leyen, and Elisa Ferreira, European Commissioner for Cohesion and Reforms, talk during the ceremony to present the keys to the city of Porto at Porto City hall, Portugal, May 7, 2021. Estela Silva/Pool via REUTERS

Iran's ambassador to the U.N. nuclear watchdog Kazem Gharibabadi leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

(R-L) Portuguese Prime Minister Antonio Costa, President of the European Council Charles Michel, President of the European Commission, Ursula von der Leyen, and Elisa Ferreira, European Commissioner for Cohesion and Reforms, talk during the ceremony to present the keys to the city of Porto at Porto City hall, Portugal, May 7, 2021. Estela Silva/Pool via REUTERS

Russia's Governor to the International Atomic Energy Agency (IAEA) Mikhail Ulyanov leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Russia's Governor to the International Atomic Energy Agency (IAEA) Mikhail Ulyanov leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Ambassador of the Permanent Mission of the People's Republic of China to the United Nations Wang Qun leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Ambassador of the Permanent Mission of the People's Republic of China to the United Nations Wang Qun leaves after the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Police stand guard at the entrance to the venue, ahead of the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Russia's Governor to the International Atomic Energy Agency (IAEA) Mikhail Ulyanov smokes a cigarette ahead of the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Russia's Governor to the International Atomic Energy Agency (IAEA) Mikhail Ulyanov checks his watch ahead of the meeting of the Joint Comprehensive Plan of Action (JCPOA) Joint Commission, in Vienna, Austria, May 7, 2021. REUTERS/Lisi Niesner

Soccer Football - Europa League - Semi Final Second Leg - Arsenal v Villarreal - Emirates Stadium, London, Britain - May 6, 2021 Arsenal manager Mikel Arteta talks with Bukayo Saka, Hector Bellerin and Martin Odegaard REUTERS/Hannah Mckay

Soccer Football - Europa League - Semi Final Second Leg - Arsenal v Villarreal - Emirates Stadium, London, Britain - May 6, 2021 Arsenal manager Mikel Arteta talks with Bukayo Saka, Hector Bellerin and Martin Odegaard REUTERS/Hannah Mckay

Britain's Foreign Secretary Dominic Raab and South Korea's Foreign Minister Chung Eui-yong look on in the garden prior to talks at Chevening House, in Chevening, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS

Britain's Foreign Secretary Dominic Raab and South Korea's Foreign Minister Chung Eui-yong walk through the garden prior to talks at Chevening House, in Chevening, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS

Britain's Foreign Secretary Dominic Raab and South Korea's Foreign Minister Chung Eui-yong pose during talks at Chevening House, in Chevening, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS

Britain's Foreign Secretary Dominic Raab and South Korea's Foreign Minister Chung Eui-yong walk through the garden prior to talks at Chevening House, in Chevening, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS

Britain's Foreign Secretary Dominic Raab and South Korea's Foreign Minister Chung Eui-yong walk through the garden prior to talks at Chevening House, in Chevening, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS

Brazilian Senators Omar Aziz talks with Brazilian Senator Renan Calheiros during a meeting of the Parliamentary Inquiry Committee (CPI) to investigate government actions and management during the coronavirus disease (COVID-19) pandemic, at the Federal Senate in Brasilia, Brazil May 6, 2021. REUTERS/Adriano Machado

German Defence Minister Annegret Kramp-Karrenbauer (L) talks with Croatian Defence Minister Damir Krsticevic (R) during a defence ministers meeting at the EU headquarters in Brussels, Belgium May 6, 2021. John Thys/Pool via REUTERS

European Union for Foreign Affairs and Security Policy Joseph Borrell talks with his advisor during a defence ministers meeting at the EU headquarters in Brussels, Belgium May 6, 2021. John Thys/Pool via REUTERS?

German Transport Minister Andreas Scheuer presents a strategy paper of BAGMO, the federal working group of motorcycle organisations, after round table talks at the Federal Ministry of Transport and Digital Infrastructure, in Berlin, Germany May 6, 2021. REUTERS/Annegret Hilse

German Transport Minister Andreas Scheuer poses for a photo during a meeting with representatives of motorbike organizations after round table talks at the Federal Ministry of Transport and Digital Infrastructure, in Berlin, Germany May 6, 2021. REUTERS/Annegret Hilse

Britain's Foreign Secretary Dominic Raab and his delegation meet with South Africa's Minister of International Relations and Cooperation, Naledi Pandor and her delegation for talks at Chevening House, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS

Britain's Foreign Secretary Dominic Raab and South Africa's Minister of International Relations and Cooperation Naledi Pandor walk through the garden prior to talks at Chevening House, Kent, Britain May 6, 2021. Niklas Halle'n/Pool via REUTERS