A Brazilian national flag is seen amidst red flowers placed by Rio de Paz NGO on Copacabana beach to pay tribute to the Brazil's half a million COVID-19 deaths in Rio de Janeiro, Brazil, June 20, 2021. REUTERS/Lucas Landau

A woman stands amidst red flowers placed by Rio de Paz NGO on Copacabana beach to pay tribute to the Brazil's half a million COVID-19 deaths, in Rio de Janeiro, Brazil, June 20, 2021. REUTERS/Lucas Landau

A woman sits amidst red flowers placed by Rio de Paz NGO on Copacabana beach to pay tribute to the Brazil's half a million COVID-19 deaths, in Rio de Janeiro, Brazil, June 20, 2021. REUTERS/Lucas Landau

Red flowers placed by Rio de Paz NGO to pay tribute to the Brazil's half a million COVID-19 deaths are seen on Copacabana beach in Rio de Janeiro, Brazil, June 20, 2021. REUTERS/Lucas Landau

Red flowers placed by Rio de Paz NGO to pay tribute to the Brazil's half a million COVID-19 deaths are seen on Copacabana beach in Rio de Janeiro, Brazil, June 20, 2021. REUTERS/Lucas Landau

A member of Rio de Paz NGO places red flowers along Copacabana beach to pay tribute to the Brazil's half a million COVID-19 deaths in Rio de Janeiro, Brazil, June 20, 2021. REUTERS/Lucas Landau TPX IMAGES OF THE DAY

Kathryn Garcia, Democratic candidate for New York City Mayor, carries flowers as she campaigns in the Brooklyn borough in New York, U.S., June 18, 2021. REUTERS/Eduardo Munoz

Cadets of a military academy hold flowers during a graduation ceremony in the rebel-controlled city of Donetsk, Ukraine June 17, 2021. REUTERS/Alexander Ermochenko TPX IMAGES OF THE DAY

A female sex worker reacts after buying a flower garland to adorn her hair in a red light area after authorities eased coronavirus restrictions, following a drop in the coronavirus disease (COVID-19) cases, in Sangli in the western state of Maharashtra, India, June 15, 2021. Picture taken June 15, 2021. REUTERS/Hemanshi Kamani

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers and Denmark flag are left outside the Rigshospitalet hospital, where Denmark's Christian Eriksen is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers and Denmark flag are left outside the Rigshospitalet hospital, where Denmark's Christian Eriksen is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers and Denmark flag are left outside the Rigshospitalet hospital, where Denmark's Christian Eriksen is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers and Denmark flag are left outside the Rigshospitalet hospital, where Denmark's Christian Eriksen is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers left for Denmark's Christian Eriksen are seen outside the Rigshospitalet hospital, where he is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers left for Denmark's Christian Eriksen are seen outside the Rigshospitalet hospital, where he is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

Euro 2020 - Denmark's Christian Eriksen remains in hospital after collapsing during Denmark v Finland - Rigshospitalet hospital, Copenhagen, Denmark - June 13, 2021 Flowers left for Denmark's Christian Eriksen are seen outside the Rigshospitalet hospital, where he is being treated after collapsing on the pitch during his side's Euro 2020 match with Finland REUTERS/Hannah Mckay

A person leaves a flower at a makeshift memorial at the scene where a Muslim family was killed in what police describe as a hate-motivated attack, at the London Muslim Mosque in London, Ontario, Canada June 12, 2021. REUTERS/Alex Filipe

A person leaves a flower at a makeshift memorial at the scene where a Muslim family was killed in what police describe as a hate-motivated attack, at the London Muslim Mosque in London, Ontario, Canada June 12, 2021. REUTERS/Alex Filipe

A child leaves flowers at a makeshift memorial at the scene where a Muslim family was killed in what police describe as a hate-motivated attack, at the London Muslim Mosque in London, Ontario, Canada June 12, 2021. REUTERS/Alex Filipe

A person leaves a flower at a makeshift memorial at the scene where a Muslim family was killed in what police describe as a hate-motivated attack, at the London Muslim Mosque in London, Ontario, Canada June 12, 2021. REUTERS/Alex Filipe

A person leaves a flower at a makeshift memorial at the scene where a Muslim family was killed in what police describe as a hate-motivated attack, at the London Muslim Mosque in London, Ontario, Canada June 12, 2021. REUTERS/Alex Filipe

A person leaves flowers at a makeshift memorial at the scene where a Muslim family was killed in what police describe as a hate-motivated attack, at the London Muslim Mosque in London, Ontario, Canada June 12, 2021. REUTERS/Alex Filipe

U.S. first lady Jill Biden and Britain's Catherine, Duchess of Cambridge, receive flowers by the head boy and head girl during a visit to Connor Downs Academy, in Hayle, Cornwall, Britain, June 11, 2021. Aaron Chown/Pool via REUTERS

Lee Jun-Seok (C), new chairman of the main opposition People Power Party (PPP) holds up a bunch of flowers as he is elected with new executive Committee members at party headquarters in Seoul, South Korea, June 11, 2021. Kim Min-Hee/Pool via REUTERS

Lee Jun-Seok (C), new chairman of the main opposition People Power Party (PPP) holds up a bunch of flowers as he is elected with new executive Committee members at party headquarters in Seoul, South Korea, June 11, 2021. Kim Min-Hee/Pool via REUTERS

Prosper Kingsley, 8, a student at Challenge Preparatory Charter School, offers flowers at a community vigil for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, outside the Challenge Preparatory Charter School he attended in New York City, U.S., June 10, 2021. REUTERS/Shannon Stapleton

Prosper Kingsley, 8, a student at Challenge Preparatory Charter School, offers flowers at a community vigil for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, outside the Challenge Preparatory Charter School he attended in New York City, U.S., June 10, 2021. REUTERS/Shannon Stapleton

Prosper Kingsley, 8, a student at Challenge Preparatory Charter School, offers flowers at a community vigil for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, outside the Challenge Preparatory Charter School he attended in New York City, U.S., June 10, 2021. REUTERS/Shannon Stapleton

Camilla, The Duchess of Cornwall, visiting the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market. HRH with a bouquet with rosemary in as a sign of remembrance, acknowledging that today would have been the birthday of The Duke of Edinburgh. Geoff Pugh/Pool via REUTERS

Camilla, The Duchess of Cornwall, visiting the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market. HRH with a bouquet with rosemary in as a sign of remembrance, acknowledging that today would have been the birthday of The Duke of Edinburgh. Geoff Pugh/Pool via REUTERS

Camilla, The Duchess of Cornwall, visiting the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market. HRH with a bouquet with rosemary in as a sign of remembrance, acknowledging that today would have been the birthday of The Duke of Edinburgh. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall meets pupils from Notre Dame Girls School in the Clore Learning Space of the Garden Museum during a visit to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall visits the Garden Museum to open the annual British Flowers Week festival in collaboration with New Covent Garden Flower Market, in London, Britain June 10, 2021. Geoff Pugh/Pool via REUTERS

Flowers are seen in front of the former InterContinental hotel, know as "Golden Egg" in the Alpine resort of Davos, Switzerland June 9, 2021. Picture taken June 9, 2021. REUTERS/Arnd Wiegmann

Democratic candidate for New York City Mayor Maya Wiley holds flowers near a makeshift memorial for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, during a Safe Streets Solidarity rally outside the home in New York City, U.S., June 9, 2021. REUTERS/Shannon Stapleton

Democratic candidate for New York City Mayor Maya Wiley holds flowers near a makeshift memorial for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, during a Safe Streets Solidarity rally outside the home in New York City, U.S., June 9, 2021. REUTERS/Shannon Stapleton

Flowers are left at a makeshift memorial at the fatal crime scene where a man driving a pickup truck jumped the curb and ran over a Muslim family in what police say was a deliberately targeted anti-Islamic hate crime, in London, Ontario, Canada June 9, 2021. REUTERS/Carlos Osorio

Britain's Camilla, Duchess of Cornwall receives a bouquet of flowers from Royal Academy of Dance student Ottilie McKinley at the Victoria and Albert Museum in London, Britain, June 9, 2021. Chris Jackson/Pool via REUTERS

Ontario Premier Doug Ford places flowers at a vigil outside the London Muslim Mosque organized after four members of a Canadian Muslim family were killed in what police describe as a hate-motivated attack in London, Ontario, Canada, June 8, 2021. Nathan Denette/Pool via REUTERS

Ontario Premier Doug Ford walks to place flowers at a vigil outside the London Muslim Mosque organized after four members of a Canadian Muslim family were killed in what police describe as a hate-motivated attack in London, Ontario, Canada, June 8, 2021. Nathan Denette/Pool via REUTERS

Ontario Premier Doug Ford places flowers at a vigil outside the London Muslim Mosque organized after four members of a Canadian Muslim family were killed in what police describe as a hate-motivated attack in London, Ontario, Canada, June 8, 2021. Nathan Denette/Pool via REUTERS

Children's shoes, toys, candy, tobacco and flowers are left on a memorial at the Portage La Prairie Indian Residential School, which closed in 1975, in Portage La Prairie, Manitoba, Canada June 8, 2021. Picture taken June 8, 2021. REUTERS/Shannon VanRaes

Children's shoes, toys, candy, tobacco and flowers are left on a memorial at the Portage La Prairie Indian Residential School, which closed in 1975, in Portage La Prairie, Manitoba, Canada June 8, 2021. Picture taken June 8, 2021. REUTERS/Shannon VanRaes

Children's shoes, toys, candy, tobacco and flowers are left on a memorial at the Portage La Prairie Indian Residential School, which closed in 1975, in Portage La Prairie, Manitoba, Canada June 8, 2021. Picture taken June 8, 2021. REUTERS/Shannon VanRaes

Canadian Prime Minister Justin Trudeau places flowers at a vigil outside the London Muslim Mosque organized after four members of a Canadian Muslim family were killed in what police describe as a hate-motivated attack in London, Ontario, Canada, June 8, 2021. Nathan Denette/Pool via REUTERS

Canadian Prime Minister Justin Trudeau lays flowers at a vigil outside the London Muslim Mosque organized after four members of a Canadian Muslim family were killed in what police describe as a hate-motivated attack in London, Ontario, Canada, June 8, 2021. Nathan Denette/Pool via REUTERS

An RCMP officer with the Prime Minister's Office lays flowers at a vigil outside the London Muslim Mosque organized after four members of a Canadian Muslim family were killed in what police describe as a hate-motivated attack in London, Ontario, Canada, June 8, 2021. Nathan Denette/Pool via REUTERS

Wanda McNeill brings flowers to a makeshift memorial for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, on what would have been his 11th birthday outside the home in New York City, U.S., June 8, 2021. REUTERS/Shannon Stapleton

Wanda McNeill lays flowers at a makeshift memorial for 10-year-old Justin Wallace, who was shot and killed when a shooter fired rounds at a home in the Far Rockaway section of Queens Saturday evening according to the New York Police Department, on what would have been his 11th birthday outside the home in New York City, U.S., June 8, 2021. REUTERS/Shannon Stapleton

Flowers are left at a makeshift memorial at the fatal crime scene where a man driving a pickup truck jumped the curb and ran over a Muslim family in what police say was a deliberately targeted anti-Islamic hate crime, in London, Ontario, Canada June 8, 2021. REUTERS/Carlos Osorio

High school senior Larry Raynor holds flowers after receiving his diploma as the Josiah Quincy Upper School held its graduation ceremonies at Fenway Park, home of Major League Baseball's Boston Red Sox, for greater safety during the coronavirus disease (COVID-19) pandemic, in Boston, Massachusetts, U.S., June 8, 2021. REUTERS/Brian Snyder