Mariachi band "Mariachi Arcoiris" interact while cleaning their instruments during a streamed concert on Cinco de Mayo from a backyard in Whittier, California, U.S., May 5, 2021. REUTERS/Lucy Nicholson

An employee cleans a window of the city hall near blooming tulips on a sunny spring day in central Kyiv, Ukraine May 5, 2021. REUTERS/Gleb Garanich

People relax on the sandy beach which is undergoing extensive cleaning at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative coronavirus disease (COVID-19) test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi

A man sits on the sandy beach which is undergoing extensive cleaning at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative coronavirus disease (COVID-19) test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi

A woman sunbathes on the sandy beach which is undergoing extensive cleaning at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative coronavirus disease (COVID-19) test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi

People relax on the sandy beach which is undergoing extensive cleaning at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative coronavirus disease (COVID-19) test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi??

People sunbathe on the sandy beach which is undergoing extensive cleaning at Ghadira Bay in Mellieha, as Malta may be one of the countries added to a 'green' list where UK travellers will be able to visit with a negative Covid-19 test to be shown before travel but no quarantine needed after returning from holiday, Malta May 4, 2021. REUTERS/Darrin Zammit Lupi

A worker wearing protective gear cleans an urn at a polling station during the Madrid's Regional elections, in Madrid, Spain, May 4, 2021. REUTERS/Susana Vera

Bartender Shane Buggy, 34, cleans dividers placed on the bar top at McSorley's Old Ale House, a 167 year old bar that until now has never featured bar seating, as restrictions eased on indoor drinking in bars, allowing seating at the bar, during the outbreak of the coronavirus disease (COVID-19) in Manhattan, New York City, New York, U.S., May 3, 2021. REUTERS/Andrew Kelly

An employee cleans inside a pub during preparations for the reopenning of restaurants and bars in Nice as part of an easing of the country's lockdown restrictions amid the coronavirus disease (COVID-19) outbreak in France, May 3, 2021. REUTERS/Eric Gaillard

An employee cleans tables and chairs during preparations for the reopenning of restaurants and bars in Nice as part of an easing of the country's lockdown restrictions amid the coronavirus disease (COVID-19) outbreak in France, May 3, 2021. REUTERS/Eric Gaillard

A volunteer cleans up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Volunteers clean up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Volunteers clean up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Volunteers clean up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Lebanese army members clean up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Volunteers and Lebanese army members clean up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Volunteers and Lebanese army members clean up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

A volunteer cleans up dead fish that have washed up on the banks of Lake Qaraoun on the Litani River, Lebanon May 3, 2021. REUTERS/Aziz Taher

Activists and media members gather at the "Pillar of Shame", during a mourning of those who died during the June 4 military crackdown on the pro-democracy movement at Beijing's Tiananmen Square in 1989, inside the campus of the University of Hong Kong, Hong Kong, China May 2, 2021. REUTERS/Tyrone Siu

Activists hold candles beside the "Pillar of Shame", mourning those who died during the June 4 military crackdown on the pro-democracy movement at Beijing's Tiananmen Square in 1989, inside the campus of the University of Hong Kong, Hong Kong, China May 2, 2021. REUTERS/Tyrone Siu

An activist cleans the "Pillar of Shame", during a mourning of those who died during the June 4 military crackdown on the pro-democracy movement at Beijing's Tiananmen Square in 1989, inside the campus of the University of Hong Kong, Hong Kong, China May 2, 2021. REUTERS/Tyrone Siu

Vice-chairman of Hong Kong Alliance in Support of Patriotic Democratic Movements of China, Albert Ho Chun-Yan and Chow Hang-tung hold candles beside the "Pillar of Shame", mourning those who died during the June 4 military crackdown on the pro-democracy movement at Beijing's Tiananmen Square in 1989, inside the campus of the University of Hong Kong, Hong Kong, China May 2, 2021. REUTERS/Tyrone Siu

Media members are seen as an activist holds a candle near the "Pillar of Shame", mourning those who died during the June 4 military crackdown on the pro-democracy movement at Beijing's Tiananmen Square in 1989, inside the campus of the University of Hong Kong, Hong Kong, China May 2, 2021. REUTERS/Tyrone Siu

Albert Ho Chun-Yan, vice-chairman of Hong Kong Alliance in Support of Patriotic Democratic Movements of China, holds candles besides the "Pillar of Shame", mourning those who died during the June 4 military crackdown on the pro-democracy movement at Beijing's Tiananmen Square in 1989, inside the campus of the University of Hong Kong, Hong Kong, China May 2, 2021. REUTERS/Tyrone Siu

Social distancing stickers are laid out on the stands as Armando Cortes does clean up work at Las Ventas bullring ahead of the first bullfight since the start of the coronavirus disease (COVID-19) pandemic, in Madrid, Spain May 1, 2021. REUTERS/Susana Vera

A staff member wearing protective mask and plastic gloves cleans a ball during the men's volleyball match between China and Japan, a test event for Tokyo 2020 Olympic Games at Ariake Arena in Tokyo, Japan May 1, 2021. REUTERS/Naoki Ogura

A stainless steel container of around 400 litres of the Pfizer/BioNTech Comirnaty vaccine is pictured inside a clean room of the Allergopharma production facilities in Reinbek near Hamburg, Germany, April 30, 2021, as the they started the Pfizer/BioNTech Covid-19 vaccine production. Christian Charisius/Pool via REUTERS

Employees in clean room work in the production of the Allergopharma plant in Reinbek near Hamburg, Germany, April 30, 2021, as the they started the Pfizer/BioNTech Covid-19 vaccine production. Christian Charisius/Pool via REUTERS

So-called "flexbags", containing the frozen raw material for the Pfizer/BioNTech Comirnaty vaccine are pictured inside a clean room of the Allergopharma production facilities in Reinbek near Hamburg, Germany, April 30, 2021, as the they started the Pfizer/BioNTech Covid-19 vaccine production. Christian Charisius/Pool via REUTERS

So-called "flexbags", containing the frozen raw material for the Pfizer/BioNTech Comirnaty vaccine are pictured inside a clean room of the Allergopharma production facilities in Reinbek near Hamburg, Germany, April 30, 2021, as the they started the Pfizer/BioNTech Covid-19 vaccine production. Christian Charisius/Pool via REUTERS

Employees in clean room work in the production of the Allergopharma plant in Reinbek near Hamburg, Germany, April 30, 2021, as the they started the Pfizer/BioNTech Covid-19 vaccine production. Christian Charisius/Pool via REUTERS

Hell's Kitchen Litter Legion founder Catie Savage cleans up trash in New York City, New York, U.S., April 28, 2021. Picture taken April 28, 2021. REUTERS/Roselle Chen

Hell's Kitchen Litter Legion founder Catie Savage walks on the street in New York City, New York, U.S., April 28, 2021. Picture taken April 28, 2021. REUTERS/Roselle Chen

Hell's Kitchen Litter Legion founder Catie Savage cleans up trash with volunteers in New York City, New York, U.S., April 28, 2021. Picture taken April 28, 2021. REUTERS/Roselle Chen

A staff member cleans mahjong tiles during a demonstration of the safety measures before reopening at a mahjong parlor, amid the coronavirus disease (COVID-19) pandemic, in Hong Kong, China April 28, 2021. Picture taken April 28, 2021. REUTERS/Tyrone Siu

A staff member cleans mahjong tiles during a demonstration of the safety measures before reopening at a mahjong parlor, amid the coronavirus disease (COVID-19) pandemic, in Hong Kong, China April 28, 2021. Picture taken April 28, 2021. REUTERS/Tyrone Siu

Staffers clean the teleprompter before U.S. President Joe Biden speaks to a joint session of Congress at the U.S. Capitol in Washington, DC, U.S. April 28, 2021. Caroline Brehman/Pool via REUTERS

Soccer Football - Copa Sudamericana - Group D - Athletico Paranaense v Metropolitanos - Arena da Baixada, Curitiba, Brazil - April 28, 2021 A member of staff cleans the match ball before the match Pool via REUTERS/Rodolfo Buhrer

Stable workers clean bridles at Churchill Downs on Wednesday before the running of 147th Kentucky Derby in Louisville, Kentucky, U.S., April 28, 2021. REUTERS/Bryan Woolston

A shop assistant wearing a protective face mask cleans a window as non-essential shops and services reopen for business after a seven-week-long shutdown because of the coronavirus disease (COVID-19) pandemic, in Valletta, Malta April 26, 2021. REUTERS/Darrin Zammit Lupi

A shop assistant cleans the facade as non-essential shops and services reopen for business after a seven-week-long shutdown because of the coronavirus disease (COVID-19) pandemic, in Valletta, Malta April 26, 2021. REUTERS/Darrin Zammit Lupi

A woman wearing a protective face mask checks her shopping change next to a shop assistant cleaning the facade as non-essential shops and services reopen for business after a seven-week-long shutdown because of the coronavirus disease (COVID-19) pandemic, in Valletta, Malta April 26, 2021. REUTERS/Darrin Zammit Lupi

Isla Fisher helps make the final touches to clean the suit of Sacha Baron Cohen as they arrive to attend a screening of the Oscars, in Sydney, Australia, April 26, 2021. Rick Rycroft/Pool via REUTERS

Isla Fisher helps make the final touches to clean the suit of Sacha Baron Cohen as they arrive to attend a screening of the Oscars, in Sydney, Australia, April 26, 2021. Rick Rycroft/Pool via REUTERS

A crew member cleans an Oscar statue design on the red carpet at Union Station, one of the locations for the 93rd Academy Awards in Los Angeles, California, U.S. April 24, 2021. Picture taken April 24, 2021. Chris Pizzello/Pool via REUTERS

Huda al-Matrooshi, 36, an Emirati woman who owns and runs a car repair garage, cleans her hands at her garage in Sharjah, United Arab Emirates April 21, 2021. Picture taken April 21, 2021. REUTERS/Rula Rouhana

A volunteer takes part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

A volunteer takes part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang TPX IMAGES OF THE DAY

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

Volunteers take part in a beach clean-up event, organized to mark Earth Day, in Keelung, Taiwan, April 24, 2021. REUTERS/Ann Wang

A healthcare worker cleans a bag with used masks at the entrance of the sessions room, after lawmakers approved for citizens to do another withdrawal from their privately-held pensions savings to combat economic hardship generated by the coronavirus disease (COVID-19) pandemic, in Valparaiso, Chile April 23, 2021. REUTERS/Rodrigo Garrido

A female recruits from U.S. Marine Corps Recruit Depot San Diego cleans her weapon as she participates in the grueling crucible training for her platoon to become the first ever women Marines trained at Camp Pendleton, California, U.S., April 21, 2021. Picture taken April 21, 2021. REUTERS/Mike Blake

Accompanied by her five year-old son Matteo, Neidmar Fonseca, a mother of five who worked cleaning houses before the pandemic and who may soon lose her apartment, talks to case worker Amber Perez at La Colaborativa, a non-profit organization helping residents during the coronavirus disease (COVID-19) pandemic with services such as free groceries and housing assistance, in Chelsea, Massachusetts, U.S., April 22, 2021. REUTERS/Brian Snyder

Accompanied by her five year-old son Matteo, Neidmar Fonseca, a mother of five who worked cleaning houses before the pandemic and who may soon lose her apartment, talks to case worker German Miranda at La Colaborativa, a non-profit organization helping residents during the coronavirus disease (COVID-19) pandemic with services such as free groceries and housing assistance, in Chelsea, Massachusetts, U.S., April 22, 2021. REUTERS/Brian Snyder