An election official empties a ballot box during the Ethiopian parliamentary and regional elections, in Jimma, Ethiopia, June 21, 2021. REUTERS/Tiksa Negeri

Election officials empty a ballot box during the Ethiopian parliamentary and regional elections, in Addis Ababa, Ethiopia, June 21, 2021. REUTERS/Baz Ratner

Tennis - WTA 500 - bett1 Open - Rot-Weiss Tennis Club, Berlin, Germany - June 19, 2021 General view of empty seats and hats during Switzerland's Belinda Bencic semi final match against France's Alize Cornet REUTERS/Annegret Hilse

An Afghan policeman stands next to empty coffins which are prepared for polio vaccination health workers who were shot and killed by unknown gunmen at separate locations in Jalalabad, Afghanistan June 15, 2021.REUTERS/Stringer

A view shows empty beds inside Syria's first centre for stem cells transplantation and cellular therapy for children that is due to open in weeks, in Damascus, Syria June 14, 2021. Picture taken June 14, 2021. REUTERS/Firas Makdesi

An empty conference room is seen as the first phase of FMC Corporation employees return to work in the office in Philadelphia, Pennsylvania, U.S., June 14, 2021. REUTERS/Hannah Beier

Empty cubicles are seen as the first phase of FMC Corporation employees return to work in the office in Philadelphia, Pennsylvania, U.S., June 14, 2021. REUTERS/Hannah Beier

Election workers empty a ballot box at the end of voting in the parliamentary election, in Algiers, Algeria June 12, 2021. REUTERS/Ramzi Boudina

Election workers empty a ballot box at the end of voting in the parliamentary election, in Algiers, Algeria June 12, 2021. REUTERS/Ramzi Boudina

A Britain's Queen Elizabeth seat is seen empty ahead of her arrival for the ceremony marking her official birthday at Windsor Castle in Windsor, Britain June 12, 2021. Eddie Mulholland/Pool via REUTERS

Empty beer bottles move on a conveyer inside a beer factory in Mazraat Yachouh, Lebanon June 11, 2021. Picture taken June 11, 2021. REUTERS/Mohamed Azakir

Empty bottles are cleaned before being filled with beer, inside a beer factory in Mazraat Yachouh, Lebanon June 11, 2021. Picture taken June 11, 2021. REUTERS/Mohamed Azakir

Empty chairs are arranged for social distancing, ahead of U.S. Attorney General Merrick Garland’s remarks on voting rights, inside the Great Hall at the U.S. Department of Justice in Washington, U.S., June 11, 2021. Tom Brenner/Pool via REUTERS

A police officer patrols an empty station in St. Ives, on the sidelines of G7 summit in Cornwall, Britain, June 11, 2021. REUTERS/Dylan Martinez

A vial containing doses of the Moderna vaccine against the coronavirus disease (COVID-19) and empty syringes are seen at a vaccination centre in Ronda, Spain June 9, 2021. REUTERS/Jon Nazca

Republic Tavern, a restaurant that permanently closed due to the coronavirus disease (COVID-19) pandemic sits empty inside the Grand Army of the Republic Building in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Desks sit empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Desks sit empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

A desk sits empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin TPX IMAGES OF THE DAY

Desks sit empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Desks sit empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Desks sit empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

A desk sits empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Kitchen supplies sit stacked up on shelves inside in the kitchen of the permanently closed restaurant Republic Tavern due to the coronavirus disease (COVID-19) pandemic, at the Grand Army of the Republic Building in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Desks sit empty inside the Grand Army of the Republic Building as employees continue to work remotely due to the coronavirus disease (COVID-19) pandemic in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Republic Tavern, a restaurant that permanently closed due to the coronavirus disease (COVID-19) pandemic sits empty inside the Grand Army of the Republic Building in Detroit, Michigan, U.S., June 8, 2021. REUTERS/Emily Elconin

Soccer Football - International Friendly - Ukraine v Cyprus - Metalist Stadium, Kharkiv, Ukraine - June 7, 2021 A fan sits amongst empty seats inside the stadium before the match REUTERS/Gleb Garanich

A healthcare worker holds empty vials of the Oxford/AstraZeneca coronavirus disease (COVID-19) vaccine, in Buenos Aires, Argentina June 4, 2021. REUTERS/Matias Baglietto

Soccer Football - International Friendly - Italy v Czech Republic - Stadio Renato Dall'Ara, Bologna, Italy - June 4, 2021 Fans wearing masks sit amongst empty seats in the stands before the match REUTERS/Alberto Lingria

Soccer Football - International Friendly - Spain v Portugal - Wanda Metropolitano, Madrid, Spain - June 4, 2021 A fan sits among empty seats before the match REUTERS/Sergio Perez

Soccer Football - International Friendly - Spain v Portugal - Wanda Metropolitano, Madrid, Spain - June 4, 2021 A fan sits among empty seats before the match REUTERS/Sergio Perez

An empty beach is seen at the end of the day amid the coronavirus disease (COVID-19) pandemic, in Vilamoura, Quarteira, Portugal, June 3, 2021. REUTERS/Pedro Nunes

View of an empty beach at the end of the day in Vilamoura, amid the coronavirus disease (COVID-19) pandemic, in Quarteira, Portugal, June 3, 2021. REUTERS/Pedro Nunes

A man carries empty containers while walking to a soup kitchen in the "Hijos de Profam" human settlement, in Lima, Peru June 2, 2021. Picture taken June 2, 2021. REUTERS/Angela Ponce

Chef Jordan Bailey works on his laptop in the empty dining area of his two-Michelin starred restaurant Aimsir during preparations to re-open as coronavirus disease (COVID-19) restrictions begin to ease in Celbridge, Ireland, June 2, 2021. Picture taken June 2, 2021. REUTERS/Clodagh Kilcoyne

Chef Jordan Bailey works on his laptop in the empty dining area of his two-Michelin starred restaurant Aimsir during preparations to re-open as coronavirus disease (COVID-19) restrictions begin to ease in Celbridge, Ireland, June 2, 2021. Picture taken June 2, 2021. REUTERS/Clodagh Kilcoyne

Tennis - French Open - Roland Garros, Paris, France - June 2, 2021 Empty stands during the second round match between Tommy Paul of the U.S. and Daniil Medvedev of Russia REUTERS/Benoit Tessier

A woman walks down a nearly empty Pell Street nearby the site of the May 31, 2021 unprovoked attack on an Asian person, a 55 year old woman, in Manhattan's Chinatown district in New York City, U.S. June 2, 2021. REUTERS/Mike Segar

A woman sits in an almost empty cinema to be monitored after getting a dose of Sinovac Biotech's CoronaVac vaccine against the coronavirus disease (COVID-19) in a cinema turned into a vaccination site in San Juan City, Metro Manila, Philippines, June 2, 2021. REUTERS/Eloisa Lopez

A staff member stands next to empty tables as cafes and restaurants reopen after closing down for months amid the coronavirus disease (COVID-19) outbreak, in Istanbul, Turkey June 1, 2021. REUTERS/Dilara Senkaya

A cat sits on an empty table as cafes and restaurants reopen after closing down for months amid the coronavirus disease (COVID-19) outbreak, in Istanbul, Turkey June 1, 2021. REUTERS/Dilara Senkaya

A man rides a bike on an empty street amid the coronavirus (COVID-19) pandemic, in Hanoi, Vietnam, May 31. REUTERS/Thanh Hue

A man sits in an empty mall during the coronavirus disease (COVID-19) pandemic in Singapore May 31, 2021. REUTERS/Edgar Su

An altar and chairs, which were located in the basement of the original Vernon AME Church and the only part of the building to survive the 1921 Tulsa Massacre, sit in an empty prayer room in Vernon AME Church in Tulsa, Oklahoma, U.S., May 30, 2021. REUTERS/Lawrence Bryant

Empty seats and tables in front of a restauarant are pictured amid the coronavirus disease (COVID-19) pandemic, in Berlin, Germany May 30, 2021. REUTERS/Annegret Hilse

A sightseeing boat with empty seats is pictured on the Spree river, amid the coronavirus disease (COVID-19) pandemic, in Berlin, Germany May 30, 2021. REUTERS/Annegret Hilse

Tennis - French Open - Roland Garros, Paris, France - May 30, 2021 A man is seen in an empty stand during the first round match between Romania's Patricia Maria Tig and Japan's Naomi Osaka REUTERS/Christian Hartmann

An empty Queen Victoria Market is seen on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

A mostly-empty city street is seen on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

A woman wearing a protective mask, following the coronavirus disease (COVID-19) outbreak, makes her way at an empty skyway bridge ahead of Tokyo 2020 Olympic Games in Tokyo, Japan, May 28, 2021. REUTERS/Kim Kyung-Hoon

Empty tram seats are seen on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

Empty food court tables are seen on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

Pigeons sit on empty State Library of Victoria steps on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

An empty tram is seen on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of the coronavirus disease (COVID-19) outbreak, in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

An empty city laneway is seen on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of the coronavirus disease (COVID-19) outbreak, in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

A woman walks past a "Stay Safe Melbourne" sign on a mostly-empty city centre street on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak, in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

An empty Flinders Street Station in is seen during morning commute hours on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

Coronavirus graffiti is seen in front of a mostly-empty city centre street during morning commute hours on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

A 'Wear a Mask' sign is seen on a mostly-empty city street during morning commute hours on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders

A woman walks past an empty cafe during morning commute hours on the first day of a seven-day lockdown as the state of Victoria looks to curb the spread of a coronavirus disease (COVID-19) outbreak in Melbourne, Australia, May 28, 2021. REUTERS/Sandra Sanders