Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. A remote controlled miniature car, developed by Toyota Motor for use in track and field throwing events, is seen during the men's hammer throw event at the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. Japan's Ayumi Kaneko, Sae Miyazono, Haruna Oota, Riko Sonomiya and Midori Mikase compete in the women's 100m round 1 heat during the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. Athletes hold pole vaults at the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. A message regarding safe distancing measures amid the coronavirus disease (COVID-19) pandemic is shown on a screen at the stadium before the start of the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. Officials check on starting blocks before the start of the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. An official is seen amid preparations before the start of the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. Officials prepare before the start of the morning session of the Athletics test event. REUTERS/Issei Kato

Olympics - Tokyo 2020 Olympic Games Test Event - Athletics - Olympic Stadium, Tokyo, Japan - May 9, 2021. An athlete warms up before a competition at the morning session of the Athletics test event. REUTERS/Issei Kato

People dance at the Barcelona beach, as the state of alarm decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) is due to end on Sunday, in Barcelona, Spain, May 8, 2021. Picture taken May, 8, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

A man dances on his balcony as people celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate as Police officers patrol on vans on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

A man dances on his balcony as people celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

A couple kiss as they celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

Candidate Shaun Bailey of the Conservative Party gives a speech after Mayor of London Sadiq Khan is re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

A marijuana legalization activist holds a sign as she participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

Candidate Laurence Fox arrives for the results of the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

People celebrate on a street in the neighborhood of Born, as the state of emergency decreed by the Spanish Government to prevent the spread of the coronavirus disease (COVID-19) gets lifted in Barcelona, Spain, May 9, 2021. REUTERS/Nacho Doce

Marijuana legalization activists participate in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

Marijuana legalization activistS dance as they participate in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

Marijuana legalization activists kiss as they participate in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

A marijuana legalization activist gestures as he participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

A marijuana legalization activist gestures as he participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

A marijuana legalization activist smokes as he participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

A marijuana legalization activist smokes as she participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

A marijuana legalization activist gestures as he participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

A marijuana legalization activist dances as he participates in a protest after the senate postponed debate on a landmark bill that would decriminalize cannabis in Mexico City, Mexico May 8, 2021. REUTERS/Edgard Garrido

Mayor of London Sadiq Khan gives his acceptance speech as candidate Count BinFace listens after the results for the London mayoral election were announced, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan and his wife Saadiya embrace after his speech after being re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan gives his acceptance speech after being re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan walks down a flight of stairs after he is re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan looks on while waiting for the results for the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan steps away from a lectern after giving his acceptance speech after being re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

A man passes an empty bridge over the Rhine river during a night-time curfew, amid the coronavirus disease (COVID-19) pandemic, in Cologne, Germany, May 8, 2021. REUTERS/Thilo Schmuelgen

People walk down the empty Hohe Strasse shopping district during a night-time curfew, amid the coronavirus disease (COVID-19) pandemic, in Cologne, Germany, May 8, 2021. REUTERS/Thilo Schmuelgen

A man stands on the empty banks of the Rhine river during a night-time curfew, amid the coronavirus disease (COVID-19) pandemic, in Cologne, Germany, May 8, 2021. REUTERS/Thilo Schmuelgen

A man walks on the empty banks of the Rhine river during a night-time curfew, amid the coronavirus disease (COVID-19) pandemic, in Cologne, Germany, May 8, 2021. REUTERS/Thilo Schmuelgen

A man crosses an empty bridge over the Rhine river during a night-time curfew, amid the coronavirus disease (COVID-19) pandemic, in Cologne, Germany, May 8, 2021. REUTERS/Thilo Schmuelgen

A bridge over the Rhine river is seen empty during a night-time curfew, amid the coronavirus disease (COVID-19) pandemic, in Cologne, Germany, May 8, 2021. REUTERS/Thilo Schmuelgen

A general view of an almost empty crossroad at metro station Eberswalder Strasse is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, early morning of May 9, 2021. REUTERS/Annegret Hilse

A general view of an almost empty crossroad on Rosenthaler Platz is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, early morning of May 9, 2021. REUTERS/Annegret Hilse

Candidate Shaun Bailey of the Conservative Party gives a speech after Mayor of London Sadiq Khan is re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

A general view of the empty crossroad Friedrichstrasse, Unter den Linden is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 8, 2021. Picture taken May 8, 2021. REUTERS/Annegret Hilse

A general view of an almost empty crossroad close to Hackescher Markt is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 8, 2021. Picture taken May 8, 2021. REUTERS/Annegret Hilse

A general view of the almost empty square Pariser Platz with the Brandenburg gate is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 8, 2021. Picture taken May 8, 2021. REUTERS/Annegret Hilse

A general view of the almost empty square Potsdamer Platz is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 8, 2021. Picture taken May 8, 2021. REUTERS/Annegret Hilse

A general view of the almost empty crossroad Rankestrasse, Tauentzienstrasse close to the church Gedaechtniskirche is pictured during a night-time curfew as the spread of the coronavirus disease (COVID-19) continues in Berlin, Germany, May 8, 2021. Picture taken May 8, 2021. REUTERS/Annegret Hilse

Candidate Count BinFace poses for photos after Mayor of London Sadiq Khan (not pictured) is re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Candidate Count BinFace poses for photos after Mayor of London Sadiq Khan (not pictured) is re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Mayor of London Sadiq Khan gives his acceptance speech after being re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

Candidate Count BinFace poses for members of the media after Mayor of London Sadiq Khan (not pictured) is re-elected in the London mayoral election, at the City Hall in London, Britain, May 8, 2021. REUTERS/Henry Nicholls

New York City police officers stand guard after a shooting incident in Times Square, New York, U.S., May 8, 2021. REUTERS/Jeenah Moon

New York City police officers stand guard after a shooting incident in Times Square, New York, U.S., May 8, 2021. REUTERS/Jeenah Moon