A woman sits in front of a COVID-19 testing site of the Stadtspital Waid and Triemli hospital, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 3, 2021. REUTERS/Arnd Wiegmann

Shoppers are seen after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich March 3, 2021. REUTERS/Arnd Wiegmann

Clients wait in front of a re-opened Apple store after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, in Zurich, Switzerland March 3, 2021. REUTERS/Arnd Wiegmann

Shoppers are seen after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich March 3, 2021. REUTERS/Arnd Wiegmann

Folders read "burqa", "veil" and "Chinese virus" behind Swiss National Councillor and Swiss People's Party (SVP) member Jean-Luc Addor ahead of a Swiss vote on banning face veils in a referendum in Sion, Switzerland, February 26, 2021. Picture taken February 26, 2021. REUTERS/Denis Balibouse

A poster reads "Stop Extremism!" ahead of a Swiss vote on banning face veils in a referendum in Sion, Switzerland, February 26, 2021. Picture taken February 26, 2021. REUTERS/Denis Balibouse

Swiss National Councillor and Swiss People's Party (SVP) member Jean-Luc Addor looks on his computer at a poster reading "Stop Extremism!" ahead of a Swiss vote on banning face veils in a referendum in Sion, Switzerland, February 26, 2021. Picture taken February 26, 2021. REUTERS/Denis Balibouse

Blooming crocuses are seen during sunny winter weather, as the spread of the coronavirus disease (COVID-19) continues, at a public park in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann

Blooming crocuses are seen during sunny winter weather, as the spread of the coronavirus disease (COVID-19) continues, at a public park in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann

A bee collects nectar from crocus during sunny winter weather, as the spread of the coronavirus disease (COVID-19) continues, at a public park in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann

A bee collects nectar from crocus during sunny winter weather, as the spread of the coronavirus disease (COVID-19) continues, at a public park in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann

People enjoy sunny winter weather at Villa Wesendonck as the spread of the coronavirus disease (COVID-19) continues in Zurich, Switzerland, March 2, 2021. REUTERS/Arnd Wiegmann

The logo of insurer Swiss Life is seen at its headquarters in Zurich, Switzerland March 2, 2021. REUTERS/Arnd Wiegmann

The logo of insurer Swiss Life is seen at its headquarters in Zurich, Switzerland March 2, 2021. REUTERS/Arnd Wiegmann

Frank Janssen, Jury President of Car of the Year, greets jury members after the Toyota Yaris was elected "Car of the Year 2021", during the virtual award ceremony held due to the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

People enjoy the sunny winter weather in front of the opera house, as the spread of the coronavirus disease (COVID-19) continues, on Sechselaeutenplatz square in Zurich, Switzerland, March 1, 2021. REUTERS/Arnd Wiegmann

A swan spreads his wings while people enjoy the sunny winter weather sitting on the banks of Lake Zurich, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland, March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a re-opened store of the French fashion house Chanel after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a re-opened store of French luxury house Hermes after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease (COVID-19) continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers walk along the street after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

A shopper carries bags after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a re-opened store of the French fashion house Chanel after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers carry bags from a Zara clothing store after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a re-opened Zara clothing store after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a Louis Vuitton store after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a Louis Vuitton store after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Shoppers queue in front of a re-opened Zara clothing store after the Swiss government relaxed some of its COVID-19 restrictions, as the spread of the coronavirus disease continues, at the Bahnhofstrasse shopping street in Zurich, Switzerland March 1, 2021. REUTERS/Arnd Wiegmann

Jury President Frank Janssen of Car of the Year speaks on-screen with Matthew Harrison, executive vice president Toyota Motor Europe, as the Toyota Yaris model is presented "Car of the Year 2021", during the virtual award ceremony due the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

Frank Janssen, Jury President of Car of the Year, presents the Toyota Yaris model which was elected "Car of the Year 2021", during the virtual award ceremony due the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

Frank Janssen, Jury President of Car of the Year, presents the Toyota Yaris model which was elected "Car of the Year 2021", during the virtual award ceremony due the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

Frank Janssen, Jury President of Car of the Year, presents the Toyota Yaris model which was elected "Car of the Year 2021", during the virtual award ceremony due the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

View of the Toyota Yaris model which was elected "Car of the Year 2021", during the virtual award ceremony due to the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

View of the Toyota Yaris model which was elected "Car of the Year 2021", during the virtual award ceremony due to the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

Frank Janssen, Jury President of Car of the Year, holds the winner trophy next to the Toyota Yaris model which was elected "Car of the Year 2021", during the virtual award ceremony due to preventive measures against the coronavirus pandemic, at the Palexpo in Geneva, Switzerland March 1, 2021. Salvatore Di Nolfi/Pool via REUTERS

Alejandro de Benedictis, professor and owner at Tango Argentin Geneve performs with Clarissa Miazza a "remote tango", without music, wearing protective gear and 1,50 meter apart, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. Banners read: "1,5 m remote tango", "we miss tango" and "our work, our passion". REUTERS/Denis Balibouse

Alejandro de Benedictis, professor and owner at Tango Argentin Geneve performs with Clarissa Miazza a "remote tango", without music, wearing protective gear and 1,50 meter apart, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

Alejandro de Benedictis, professor and owner at Tango Argentin Geneve performs with Clarissa Miazza a "remote tango", without music, wearing protective gear and 1,50 meter apart, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

People queue outside Zara store on the day of reopening, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

People enjoy a warm afternoon by Lake Leman and the jet d'eau (water fountain) , during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

Alejandro de Benedictis, professor and owner at Tango Argentin Geneve performs with Clarissa Miazza a "remote tango", without music, wearing protective gear and 1,50 meter apart, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse TPX IMAGES OF THE DAY

Alejandro de Benedictis, professor and owner at Tango Argentin Geneve performs with Clarissa Miazza a "remote tango", without music, wearing protective gear and 1,50 meter apart, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

Alejandro de Benedictis, professor and owner at Tango Argentin Geneve performs with Clarissa Miazza a "remote tango", without music, wearing protective gear and 1,50 meter apart, during the coronavirus disease (COVID-19) outbreak in Geneva, Switzerland, March 1, 2021. REUTERS/Denis Balibouse

World Trade Organization (WTO) Director-General Ngozi Okonjo-Iweala gestures next to WTO Colombian Ambassador Santiago Wills with an ice sculpture depicting fish in the background during an event by NGOs requesting urgent action to finalise the WTO agreement on ending subsidies that drive overfishing, in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

(From L) Communications lead at the Ocean Action Agenda of the World Economic Forum Gemma Parkes, International Institute for Sustainable Development (IISD) senior director energy Peter Wooders, Chair of the fisheries subsidies negotiations at the WTO Colombian Ambassador Santiago Wills, WTO Director-General Ngozi Okonjo-Iweala and WWF International Director General Marco Lambertini pose with an ice sculpture depicting fish during an event by NGOs requesting urgent action to finalize the WTO agreement on ending subsidies that drive overfishing, in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala speaks with Chair of the WTO General Council Ambassador David Walker during a session at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala walks at the entrance of the WTO following a photo-op upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala walks at the entrance of the WTO following a photo-op upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala and Chair of the WTO General Council Ambassador David Walker walk thru the empty assembly room for a virtual session of the general council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala stands prior to a session of the WTO General Council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala attends a session of the WTO General Council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala attends a session of the WTO General Council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala adjusts her face mask as a preventive measure against the COVID-19 coronavirus disease during a session of the WTO General Council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala stands prior to a session of the WTO General Council upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala walks with Chair of the WTO General Council Ambassador David Walker upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala poses between WTO Deputy Directors-General Alan Wolff (L) and Karl Brauner upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation Ngozi Okonjo-Iweala speaks as she stands between WTO Deputy Directors-General Alan Wolff (L) and Karl Brauner upon her arrival at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

New Director-General of the World Trade Organisation (WTO) Ngozi Okonjo-Iweala arrives at the WTO headquarters to take an office in Geneva, Switzerland March 1, 2021. Fabrice Coffrini/Pool via REUTERS

People look at the 'Proteus', a sculpture by British artist Damien Hirst, placed outside of the Protestant Church in the Alpine resort of St. Moritz, as the spread of the coronavirus disease (COVID-19) continues, in Switzerland February 25, 2021. Picture taken February 25, 2021. REUTERS/Arnd Wiegmann

The sculpture 'Two Figures with a Drum', a sculpture by British artist Damien Hirst, is seen in the Alpine resort of St. Moritz, as the spread of the coronavirus disease (COVID-19) continues, Switzerland February 25, 2021. Picture taken February 25, 2021. REUTERS/Arnd Wiegmann

A woman walks past the 'Monk', a sculpture from 2014 by British artist Damien Hirst, on the frozen Lake St. Moritz, as the spread of the coronavirus disease (COVID-19) continues in the Alpine resort of St. Moritz, Switzerland February 26, 2021. REUTERS/Arnd Wiegmann