An Airman with the Air National Guard stands guard during a protest against the deaths of Breonna Taylor by Louisville police and George Floyd by Minneapolis police, in Louisville, Kentucky, U.S. May 31, 2020. REUTERS/Bryan Woolston TPX IMAGES OF THE DAY

Security Police Officers with the Air National Guard stand with Louisville Metro Police officers during a protest against the deaths of Breonna Taylor by Louisville police and George Floyd by Minneapolis police, in Louisville, Kentucky, U.S. May 31, 2020. REUTERS/Bryan Woolston

Students of Matanzas High School, which was closed due to the coronavirus disease (COVID-19) restrictions, toss their graduation caps in the air at their graduation ceremony at Daytona International Speedway in Daytona Beach, Florida, U.S. May 31, 2020. REUTERS/Eve Edelheit

A security man looks at a screen showing the body temperature of travellers, at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

A traveller wearing a protective face mask wheels his bags at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

Passengers wait to board their planes at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

A woman follows social distancing markings at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

A man wearing a protective mask kisses his wife before she travels at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

A security woman checks the temperature of a woman at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

A passenger wearing a protective face mask walks at Riyadh International Airport, after Saudi Arabia reopened domestic flights, following the outbreak of the coronavirus disease (COVID-19), in Riyadh, Saudi Arabia May 31, 2020. REUTERS/Ahmed Yosri

A woman raises burning sage in the air as she documents with her phone as protesters rally against the death in Minneapolis police custody of George Floyd, in New Orleans, Louisiana, U.S. May 30, 2020. REUTERS/Kathleen Flynn

A cloud of tear gas thrown by police hangs in the air near police in riot gear near in Downtown Atlanta, during a protest against the death in Minneapolis police custody of African-American man George Floyd, in Atlanta, Georgia, U.S. May 30, 2020. REUTERS/Dustin Chambers

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Steve Nesius

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Thom Baur

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Thom Baur

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Thom Baur

Elon Musk receives a standing ovation during remarks after the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft on NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Joe Skipper

U.S. President Donald Trump and Vice President Mike Pence watch the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft, from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Steve Nesius

U.S. Representative Matt Gaetz (R-FL) and Florida Governor Ron DeSantis attend President Donald Trump’s remarks after the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft, from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump arrives to watch the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft, from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with Vice President Mike Pence and his wife Karen Pence, watches the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft, from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump arrives to deliver remarks after the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft, from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump gives a thumbs-up as he arrives to watch the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft, from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst TPX IMAGES OF THE DAY

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Thom Baur

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Joe Skipper

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Joe Skipper

U.S. President Donald Trump speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump makes a quick aside to reporters as he arrives aboard Air Force One from Florida at Joint Base Andrews, Maryland, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump arrives aboard Air Force One from Florida at Joint Base Andrews, Maryland, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with U.S. House Minority Leader Kevin McCarthy (R-CA), arrives aboard Air Force One from Florida at Joint Base Andrews, Maryland, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with U.S. House Minority Leader Kevin McCarthy (R-CA), holds a signed copy of his NASA speech after a SpaceX launch as he speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump holds a signed copy of his NASA speech after a SpaceX launch as he speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with U.S. House Minority Leader Kevin McCarthy (R-CA), speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with U.S. House Minority Leader Kevin McCarthy (R-CA), speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with U.S. House Minority Leader Kevin McCarthy (R-CA), speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump, with U.S. House Minority Leader Kevin McCarthy (R-CA), speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

U.S. President Donald Trump speaks to reporters aboard Air Force One while returning to Washington from Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Jonathan Ernst

Protesters hold their fists in the air during a moment of silence near the Minneapolis Police fifth precinct for a peaceful rally during the fifth day of demonstrations following the death in Minneapolis police custody of George Floyd in Minneapolis, Minnesota, U.S. May 30, 2020. REUTERS/Nicholas Pfosi

Protesters raise their fists in the air during a moment of silence near the Minneapolis Police fifth precinct for a peaceful rally during the fifth day of demonstrations following the death in Minneapolis police custody of George Floyd in Minneapolis, Minnesota, U.S. May 30, 2020. REUTERS/Nicholas Pfosi

Anti-quarantine demonstrators hang placards that reads "no to the new world order", during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator holds a placcard that reads "5G and vaccines genocide", during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

A woman dressed in medical clothes gestures to journalist, as anti-quarantine demonstrators try to argue with them, during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, in Buenos Aires, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Demonstrators take part in a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Demonstrators take part in a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Demonstrators take part in a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator wearing a prisoner's clothing holds a placard that reads "corrupt in jail, free workers", during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Demonstrators take part in a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Demonstrators take part in a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator holds a placard with images depicting Argentina's President, Alberto Fernandez (C), Buenos Aires' city Mayor Horacio Rodriguez Larreta (L) and Buenos Aires' governor, Axel Kicillof, that reads "the three tyrants", during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Anti-quarantine demonstrators holds a placard that reads "5G and vaccines genocide", during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator applauds, during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator hols a placard that reads "no more quarantine", during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator gestures from his car, during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, at the Buenos Aires obelisk, Argentina May 30, 2020. REUTERS/Agustin Marcarian

Anti-quarantine demonstrators try to grab a placard that reads "quarantine save lives" from a woman dressed in medical clothes, during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, in Buenos Aires, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator wearing a face mask, argues with a woman dressed in medical clothes, during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, in Buenos Aires, Argentina May 30, 2020. REUTERS/Agustin Marcarian

An anti-quarantine demonstrator wearing a face mask, argues with a woman dressed in medical clothes, during a protest against the quarantine measures in the city of Buenos Aires, amid the coronavirus disease (COVID-19) outbreak, in Buenos Aires, Argentina May 30, 2020. REUTERS/Agustin Marcarian

A SpaceX Falcon 9 rocket and Crew Dragon spacecraft carrying NASA astronauts Douglas Hurley and Robert Behnken lifts off during NASA's SpaceX Demo-2 mission to the International Space Station from NASA's Kennedy Space Center in Cape Canaveral, Florida, U.S. May 30, 2020. REUTERS/Thom Baur