A woman waves after watching a circus performance in Atayde's Circus tent, where people enjoy the show from their cars as a measure to combat the spread of the coronavirus disease (COVID-19), in San Nicolas de los Garza, on the outskirts of Monterrey, Mexico May 30, 2020. Picture taken May 30, 2020. REUTERS/Daniel Becerril

Cassia de Almeida, an ICU nurse of Sao Luiz Hospital, who was hospitalized with severe symptoms of coronavirus disease (COVID-19), waves from a car to her colleagues after being discharged in Sao Paulo, Brazil, May 30, 2020. Picture taken May 30, 2020. REUTERS/Rahel Patrasso

Cassia de Almeida, an ICU nurse of Sao Luiz Hospital, who was hospitalized with severe symptoms of coronavirus disease (COVID-19), waves to her colleagues after being discharged in Sao Paulo, Brazil, May 30, 2020. Picture taken May 30, 2020. REUTERS/Rahel Patrasso

Cassia de Almeida, an ICU nurse of Sao Luiz Hospital, who was hospitalized with severe symptoms of coronavirus disease (COVID-19), waves to her colleagues after being discharged in Sao Paulo, Brazil, May 30, 2020. Picture taken May 30, 2020. REUTERS/Rahel Patrasso

Cassia de Almeida, an ICU nurse of Sao Luiz Hospital, who was hospitalized with severe symptoms of coronavirus disease (COVID-19), waves to her colleagues after being discharged in Sao Paulo, Brazil, May 30, 2020. Picture taken May 30, 2020. REUTERS/Rahel Patrasso

Cassia de Almeida, an ICU nurse of Sao Luiz Hospital, who was hospitalized with severe symptoms of coronavirus disease (COVID-19), waves to her colleagues after being discharged in Sao Paulo, Brazil, May 30, 2020. Picture taken May 30, 2020. REUTERS/Rahel Patrasso

Pope Francis waves as he leads the Regina Coeli prayer from his window for the first time in three months in the newly reopened St. Peter's Square after months of closure due to an outbreak of the coronavirus disease (COVID-19), at the Vatican, May 31, 2020. Pope Francis had been delivering the weekly prayer virtually due to lockdown measures. REUTERS/Remo Casilli

Pope Francis waves as he leads the Regina Coeli prayer from his window for the first time in three months in the newly reopened St. Peter's Square after months of closure due to an outbreak of the coronavirus disease (COVID-19), at the Vatican, May 31, 2020. Pope Francis had been delivering the weekly prayer virtually due to lockdown measures. REUTERS/Remo Casilli

U.S. President Donald Trump waves as he walks on the South Lawn of the White House upon his return to Washington, U.S., from the Kennedy Space Center in Florida, May 30, 2020. REUTERS/Yuri Gripas

U.S. President Donald Trump waves as he walks on the South Lawn of the White House upon his return to Washington, U.S., from the Kennedy Space Center in Florida, May 30, 2020. REUTERS/Yuri Gripas

U.S. President Trump waves as he attends launch of SpaceX Falcon 9 rocket at the Kennedy Space Center in Cape Canaveral, Florida U.S., May 30, 2020. REUTERS/Jonathan Ernst

Pope Francis waves as he leaves after a rosary, amid the spread of coronavirus disease (COVID-19), in Vatican gardens, at the Vatican May 30, 2020. Alessandra Tarantino/Pool via REUTERS

U.S. President Donald Trump waves while boarding the Marine One helicopter as he leaves the White House in Washington, U.S., before his departure to the Kennedy Space Center in Florida, May 30, 2020. REUTERS/Yuri Gripas

NASA astronaut Douglas Hurley waves as he heads to Pad39A before the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., May 30, 2020. REUTERS/Joe Skipper

U.S. Attorney General Bill Barr watches as President Donald Trump waves a sheaf of papers as he speaks to reporters while discussing an executive order on social media companies in the Oval Office of the White House in Washington, U.S., May 28, 2020. REUTERS/Jonathan Ernst

NHS workers wave at the Luton and Dunstable University Hospital during the last day of the Clap for our Carers campaign in support of the NHS, following the outbreak of the coronavirus disease (COVID-19), Luton, Britain, May 28, 2020. REUTERS/Matthew Childs

A woman wearing a protective face mask observes as waves hit the rocks on Leblon beach amid the coronavirus disease (COVID-19) outbreak in Rio de Janeiro, Brazil, May 28, 2020. REUTERS/Ricardo Moraes

People observe as waves hit the rocks on Leblon beach amid the coronavirus disease (COVID-19) outbreak in Rio de Janeiro, Brazil, May 28, 2020. REUTERS/Ricardo Moraes

People wearing protective face masks observe as waves hit the rocks on Leblon beach amid the coronavirus disease (COVID-19) outbreak in Rio de Janeiro, Brazil, May 28, 2020. REUTERS/Ricardo Moraes

People wearing protective masks run off the deck as waves hit the rocks on Leblon beach amid the coronavirus disease (COVID-19) outbreak in Rio de Janeiro, Brazil, May 28, 2020. REUTERS/Ricardo Moraes

Patients wave at each other from their balconies at a training center, which has been converted into a quarantine house, in Tangerang, on the outskirts of Jakarta, Indonesia, amid the coronavirus disease (COVID-19) outbreak, May 28, 2020. REUTERS/WIlly Kurniawan

A member of the medical staff waves to patients after their exercise at a training center, which has been converted into a quarantine house, in Tangerang, on the outskirts of Jakarta, Indonesia, amid the coronavirus disease (COVID-19) outbreak, May 28, 2020. REUTERS/WIlly Kurniawan

An inter-municipal transport bus driver wearing a face mask waves a red rag during a protest to ask the government to reactivate their jobs, amid the outbreak of the coronavirus disease (COVID-19) in Bogota, Colombia May 27, 2020. REUTERS/Luisa Gonzalez

NASA astronauts Douglas Hurley and Robert Behnken wave as they head to Pad39A before the launch of a SpaceX Falcon 9 rocket and Crew Dragon spacecraft at the Kennedy Space Center, in Cape Canaveral, Florida, U.S., May 27, 2020. REUTERS/Joe Skipper

NASA astronaut Douglas Hurley waves from his Tesla as they pass the VAB heading to Pad39A for the launch of the SpaceX Crew Dragon on a Falcon 9 booster rocket from the Kennedy Space Center in Cape Canaveral, Florida, U.S. May 27, 2020. REUTERS/Thom Baur

NASA astronaut Douglas Hurley waves from his Tesla as they pass the VAB heading to Pad39A for the launch of the SpaceX Crew Dragon on a Falcon 9 booster rocket from the Kennedy Space Center in Cape Canaveral, Florida, U.S. May 27, 2020. REUTERS/Thom Baur

NASA astronaut Douglas Hurley waves from his Tesla as they pass the VAB heading to Pad39A for the launch of the SpaceX Crew Dragon on a Falcon 9 booster rocket from the Kennedy Space Center in Cape Canaveral, Florida, U.S. May 27, 2020. REUTERS/Steve Nesius

NASA astronaut Douglas Hurley waves from his Tesla as they pass the VAB heading to Pad39A for the launch of the SpaceX Crew Dragon on a Falcon 9 booster rocket from the Kennedy Space Center in Cape Canaveral, Florida, U.S. May 27, 2020. REUTERS/Steve Nesius

NASA astronaut Douglas Hurley waves from his Tesla as they pass the VAB heading to Pad39A for the launch of the SpaceX Crew Dragon on a Falcon 9 booster rocket from the Kennedy Space Center in Cape Canaveral, Florida, U.S. May 27, 2020. REUTERS/Steve Nesius

Surfers catch waves at sunset amidst the easing of the coronavirus disease (COVID-19) restrictions at Bondi Beach in Sydney, Australia, May 27, 2020. REUTERS/Loren Elliott

A woman waves next to surfers on Barra da Tijuca beach following the closure of the beaches, amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, May 25, 2020. REUTERS/Sergio Moraes

A surfer rides a wave on Barra da Tijuca beach following the closure of the beaches, amid the coronavirus disease (COVID-19) outbreak, in Rio de Janeiro, Brazil, May 25, 2020. REUTERS/Sergio Moraes

U.S. President Donald Trump waves past a U.S. Secret Service agent wearing a protective face mask towards a member of the military as he departs after attending ceremonies commemorating the Memorial Day holiday in the midst of the COVID-19 pandemic at Fort McHenry in Baltimore, Maryland, U.S., May 25, 2020. REUTERS/Joshua Roberts

U.S. President Donald Trump waves as he boards Marine One after attending a Memorial Day ceremony at Fort McHenry in Baltimore, Maryland, U.S., May 25, 2020. REUTERS/Joshua Roberts

U.S. President Donald Trump waves after attending a Memorial Day ceremony at Fort McHenry in Baltimore, Maryland, U.S., May 25, 2020. REUTERS/Joshua Roberts

U.S. President Donald Trump waves after attending a Memorial Day ceremony at Fort McHenry in Baltimore, Maryland, U.S., May 25, 2020. REUTERS/Joshua Roberts

U.S. President Donald Trump and U.S. first lady Melania Trump wave during a Memorial Day ceremony at Fort McHenry in Baltimore, Maryland, U.S., May 25, 2020. REUTERS/Joshua Roberts

U.S. President Donald Trump waves as he departs the White House to board the Marine One helicopter with first lady Melania Trump for travel to Ft McHenry in Baltimore for Memorial Day holiday commemorations from the White House in Washington, U.S., May 25, 2020. REUTERS/Erin Scott

U.S. President Donald Trump waves from a vehicle as he departs the Trump National Golf Club in Sterling, Virginia, U.S., May 24, 2020. REUTERS/Joshua Roberts TPX IMAGES OF THE DAY

A supporter of Brazil's President Jair Bolsonaro wearing a protective mask waves a Brazilian flag as she attends a protest against quarantine measures amid the coronavirus disease (COVID-19) outbreak, in Sao Paulo, Brazil, May 24, 2020. REUTERS/Amanda Perobelli

Supporters of Israeli Prime Minister Benjamin Netanyahu wave Israeli flags during a rally as Netanyahu's corruption trial opens, near the Jerusalem District Court May 24, 2020. REUTERS/Amir Cohen TPX IMAGES OF THE DAY

Supporters of Israeli Prime Minister Benjamin Netanyahu wave Israeli flags during a rally as Netanyahu's corruption trial opens, near the Jerusalem District Court May 24, 2020. REUTERS/Amir Cohen

Supporters of Israeli Prime Minister Benjamin Netanyahu wave Israeli flags as Netanyahu's convoy passes after the end of a court session in Netanyahu's corruption trial, near the Jerusalem District Court May 24, 2020. REUTERS/Amir Cohen

Supporters of Israeli Prime Minister Benjamin Netanyahu wave Israeli flags and hold placards as they rally just before Netanyahu's corruption trial opens, outside the District Court in Jerusalem May 24, 2020. REUTERS/Ronen Zvulun

Protesters waving Israeli flags and holding placards, one with the Hebrew words, " Thou shalt not steal" are seen through a banner depicting Israeli prime Minister Benjamin Netanyahu as they demonstrate against Netanyahu just before his corruption trial opens, outside his residence in Jerusalem May 24, 2020. REUTERS/Amir Cohen TPX IMAGES OF THE DAY

Protesters wave Israeli flags and a placard with a caricature of Israeli Prime Minister Benjamin Netanyahu and the words in Hebrew, "Netanyahu resign" as they demonstrate against Netanyahu just before his corruption trial opens, outside his residence in Jerusalem May 24, 2020. REUTERS/Amir Cohen

Protesters wave an Israeli flag and hold placards as they stand behind a banner reading, "Crime Minister" and demonstrate against Israeli Prime Minister Benjamin Netanyahu just before his corruption trial opens, outside his residence in Jerusalem May 24, 2020. The placard in Hebrew reads, " Indictment: favorable coverage = lying to the public" REUTERS/Amir Cohen

Protesters wave Israeli flags as they demonstrate against Israeli Prime Minister Benjamin Netanyahu just before his corruption trial opens, outside his residence in Jerusalem May 24, 2020. REUTERS/Amir Cohen

A protester holds a placard as others wave Israeli and black flags during a demonstration against Israeli Prime Minister Benjamin Netanyahu just before his corruption trial opens, outside his residence in Jerusalem May 24, 2020. REUTERS/Amir Cohen

An anti-government protester waves the U.S. and the British colonial Hong Kong flags as riot police walk past during a march against Beijing's plans to impose national security legislation in Hong Kong, China May 24, 2020. REUTERS/Tyrone Siu

Brazil's President Jair Bolsonaro waves after buying a hotdog in a street cafeteria, amid the coronavirus disease (COVID-19) outbreak, in Brasilia, Brazil May 23, 2020. REUTERS/Adriano Machado

A surfer waits for a wave in Barra da Tijuca beach amid the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil, May 23, 2020. REUTERS/Ricardo Moraes

A surfer waits for a wave in Barra da Tijuca beach amid the outbreak of the coronavirus disease (COVID-19), in Rio de Janeiro, Brazil, May 23, 2020. REUTERS/Ricardo Moraes

A demonstrator waves a Spanish flag as other makes noise with a pot during a drive-in protest organised by Spain's far-right party Vox against the government's handling of the coronavirus disease (COVID-19) outbreak, in Malaga, southern Spain, May 23, 2020. REUTERS/Jon Nazca

Supporters of Spain's far-right party Vox wave flags from cars during a drive-in protest against the government's handling of the coronavirus disease (COVID-19) outbreak, in Malaga, southern Spain, May 23, 2020. REUTERS/Jon Nazca

Supporters of Spain's far-right party Vox wave flags from a car during a drive-in protest against the government's handling of the coronavirus disease (COVID-19) outbreak, in Malaga, southern Spain, May 23, 2020. REUTERS/Jon Nazca

A demonstrator wearing a protective face mask waves a Spanish flag during a drive-in protest organised by Spain's far-right party Vox against the government's handling of the coronavirus disease (COVID-19) pandemic in Madrid, Spain, May 23, 2020. REUTERS/Sergio Perez

A demonstrator waves a Spanish flag during a drive-in protest organised by Spain's far-right party Vox against the government's handling of the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, May 23, 2020. REUTERS/Nacho Doce

A demonstrator wearing a protective face mask waves a Spanish flag in front of Alcala Gate during a drive-in protest organised by Spain's far-right party Vox against the government's handling of the coronavirus disease (COVID-19) pandemic in Madrid, Spain, May 23, 2020. REUTERS/Sergio Perez