A staff cleans outside a bar in Hong Kong's Lan Kwai Fong after bars, nightclubs and other entertainment venues were closed in response to a renewed rise in coronavirus disease (COVID-19) cases, China November 26, 2020. REUTERS/Lam Yik

An aide cleans the lectern before President-elect Joe Biden arrives to announce the members of his national security team at his transition headquarters in the Queen Theater in Wilmington, Delaware, U.S., November 24, 2020. REUTERS/Joshua Roberts

Members of Clean Hikers rest as they collect litter while hiking near the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-ji

Drawings by Kim Kang-Eun, an artist who leads Clean Hikers, and her colleagues are seen on a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-ji

Kim Kang-Eun, an artist who leads Clean Hikers, collects litter while hiking a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

Members of Clean Hikers collect litter while hiking a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

Members of Clean Hikers sort out litters they collected while hiking on the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

Kim Kang-Eun, an artist who leads Clean Hikers, poses artwork made from litter collected by members of Clean Hikers during their hikes, on the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

A stray cat wanders near an artwork made from litter collected by members of Clean Hikers during their hikes, on the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji TPX IMAGES OF THE DAY

Kim Kang-Eun, an artist who leads Clean Hikers, and her colleagues pose with their artwork made from litter collected during their hikes, on the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

A member of Clean Hikers collects litter while hiking a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

Kim Kang-Eun, an artist who leads Clean Hikers, gets ready with her colleagues to collect litter while hiking a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

Kim Kang-Eun, an artist who leads Clean Hikers, collects a litter while hiking a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

An artwork made from litter collected by members of Clean Hikers during their hikes, is seen on the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

Kim Kang-Eun, an artist who leads Clean Hikers, and her colleagues pose with signs bearing a message for hikers on a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-ji

Members of Clean Hikers make an artwork with litter they collected while hiking on the peak of a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

A member of Clean Hikers poses with a face mask found among litter on a mountain in Incheon, South Korea, November 16, 2020. Picture taken November 16, 2020. REUTERS/Kim Hong-Ji

A staff cleans the tracks at the Eigergletscher V-cableway and train station, a 470 million CHF investment connecting Grindelwald to Maennlichen and Eigergletscher with 2 lifts, during last testings before its opening on December 4, amid the coronavirus disease (COVID-19) outbreak, in the ski resort of Grindelwald, Switzerland November 23, 2020. REUTERS/Denis Balibouse

A staff cleans a Jungfrau sign on the Eigergletscher V-cableway station, a 470 million CHF investment connecting Grindelwald to Maennlichen and Eigergletscher with 2 lifts, during last testings before the opening of the Eiger Express on December 4, amid the coronavirus disease (COVID-19) outbreak, in the ski resort of Grindelwald, Switzerland November 23, 2020. REUTERS/Denis Balibouse

French Education, Youth and Sports Minister Jean-Michel Blanquer wears a protective face mask as he cleans his hand with hand sanitising gel during his visit to the Emile Dubois Lycee where antigen testing for the coronavirus disease (COVID-19) is taking place, in Paris, France November 23, 2020. Ludovic Marin/Pool via REUTERS

A worker wearing a protective face mask cleans a table at the Zurich bar at Catalunya square, after Spain's Catalonia region allowed bars, restaurants, gyms and cinemas to reopen from Monday, gradually easing some of the restrictions put in place to tackle the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain, November 23, 2020. REUTERS/Nacho Doce

Workers clean the outside of the Congress building, a day after it was set on fire by demonstrators in Guatemala City, Guatemala November 22, 2020. REUTERS/Luis Echeverria

Soccer Football - AFC Champions League - Group G - Suwon Bluewings v Guangzhou Evergrande - Khalifa International Stadium, Doha, Qatar - November 22, 2020 Staff members wearing personal protective equipment (PPE) clean the pitchside areas following the outbreak of the coronavirus disease (COVID-19) REUTERS/Ibraheem Al Omari

Workers carry jerrycans with clean water through floods at the Kali Adem port, which is impacted by high tides due to the rising sea level and land subsidence, north of Jakarta, Indonesia November 20, 2020. REUTERS/Willy Kurniawan

People clean a road by the gate of the police headquarters in the morning after a rally in Bangkok, Thailand November 19, 2020. REUTERS/Soe Zeya Tun

A man takes a break from cleaning his house which was covered in mud after flooding caused by Typhoon Vamco, in San Mateo, Rizal province, Philippines, November 13, 2020. REUTERS/Eloisa Lopez/File Photo TPX IMAGES OF THE DAY SEARCH "GLOBAL POY" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2020 PACKAGES.

A man takes a break from cleaning his house following the flood brought by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 16, 2020. REUTERS/Lisa Marie David

A child takes a break from cleaning his house following the flood brought by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 16, 2020. REUTERS/Lisa Marie David

A man takes a break from cleaning his house following the flood brought by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 16, 2020. REUTERS/Lisa Marie David

Residents clean their belongings covered with mud following the flood brought by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 16, 2020. REUTERS/Lisa Marie David

A man cleans his photos covered with mud following the flood brought by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 16, 2020. REUTERS/Lisa Marie David

A man cleans his photos covered with mud following the flood brought by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 16, 2020. REUTERS/Lisa Marie David

Soccer Football - UEFA Nations League - Republic of Ireland Training - Cardiff City Stadium, Cardiff, Wales, Britain - November 14, 2020 Republic of Ireland's James McClean Action Images via Reuters/John Sibley

Boy covered in mud takes a break from cleaning his home after it was submerged in floodwater following Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 13, 2020. REUTERS/Eloisa Lopez REFILE - CORRECTING CITY

A woman cleans her house covered in mud after flooding caused by Typhoon Vamco, in San Mateo, Rizal province, Philippines, November 13, 2020. REUTERS/Eloisa Lopez

A woman cleans outside her house, covered in mud after flooding caused by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 13, 2020. REUTERS/Eloisa Lopez

A man takes a break from cleaning his house covered in mud after flooding caused by Typhoon Vamco, in San Mateo, Rizal province, Philippines, November 13, 2020. REUTERS/Eloisa Lopez REFILE - CORRECTING LOCATION TPX IMAGES OF THE DAY

A man reacts as he takes a break from cleaning mud outside his house, which was submerged due to floods caused by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 13, 2020. REUTERS/Eloisa Lopez TPX IMAGES OF THE DAY

A woman cleans chairs in her house, partly submerged due to floods caused by Typhoon Vamco, in Marikina, Metro Manila, Philippines, November 13, 2020. REUTERS/Eloisa Lopez

Soccer Football - International Friendly - England v Republic of Ireland - Wembley Stadium, London, Britain - November 12, 2020 General view of Republic of Ireland's James McClean's tattoos during the warm up before the match Pool via REUTERS/Carl Recine

Airport employee cleans the protective shield at a check-in counter at Franz-Josef-Strauss airport in Munich, Germany, November 12, 2020. REUTERS/Andreas Gebert

A worker cleans the red carpet prior to a ceremony at the National War Memorial on Remembrance Day in Ottawa, Ontario, Canada November 11, 2020. REUTERS/Blair Gable

An employee of a cafe wearing a face mask cleans the tables after rain amid the coronavirus disease (COVID-19) pandemic, in Nicosia, Cyprus November 11, 2020. REUTERS/Yiannis Kourtoglou

Workers clean the rooftop of the Building of the Federal Press Conference in Berlin, Germany November 10, 2020. REUTERS/Michele Tantussi

A local tries to clean a flooded yard during heavy rainfall at the village of Gournes on the island of Crete, Greece, November 10, 2020. REUTERS/Stefanos Rapanis

Men clean a muddy house after it was flooded when heavy rains caused the river Carapo to overflow in Rubio, Venezuela, November 8, 2020. REUTERS/Carlos Eduardo Ramirez

A worker cleans the floor of Terminal A, after the last flight took off from Berlin's Tegel airport, which closes permanently following the recent opening of the new Berlin-Brandenburg (BER) airport in Berlin, Germany, November 8, 2020. REUTERS/Annegret Hilse

City workers clean trash from Black Lives Matter plaza as a news repoter works in Washington, U.S. November 8, 2020. REUTERS/Tom Brenner

City workers clean trash from Black Lives Matter plaza as a news repoter works in Washington, U.S. November 8, 2020. REUTERS/Tom Brenner

City workers clean trash from Black Lives Matter plaza in Washington, U.S. November 8, 2020. REUTERS/Tom Brenner

City workers clean trash from Black Lives Matter plaza in Washington, U.S. November 8, 2020. REUTERS/Tom Brenner

City workers clean trash from Black Lives Matter plaza in Washington, U.S. November 8, 2020. REUTERS/Tom Brenner

Fort Bend County Democratic Party Chairwoman Cynthia Ginyard cleans her home while watching the news as Democratic U.S. presidential nominee Joe Biden's lead in the presidential election increases, in Sugar Land, Texas, U.S., November 6, 2020. REUTERS/Callaghan O'Hare

People clean up after the passage of Storm Eta, in Pimienta, Honduras November 6, 2020. REUTERS/Jorge Cabrera

Transgender drag queen Aunchalee Pokinwuttipob, better known by the stage name, Angele Anang, 26, cleans a room at her father's house in Ayutthaya, Thailand, September 15, 2020. REUTERS/Chalinee Thirasupa SEARCH "THAILAND LGBT" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

A worker cleans the statue of Civil War general William Tecumseh Sherman after an alleged earlier attempt at vandalism on the monument in Central Park, in the Manhattan borough of New York City, U.S., November 5, 2020. REUTERS/Andrew Kelly

Soccer Football - Europa League - Group H - Celtic v Sparta Prague - Celtic Park, Glasgow, Scotland, Britain - November 5, 2020 A member of staff cleans the goal frame before the match Pool via REUTERS/Russell Cheyne

A worker cleans a space used for patients infected with the coronavirus disease (COVID-19), at the emergency unit of the CHU de Charleroi hospital, in Charleroi, Belgium, November 5, 2020. REUTERS/Yves Herman

A cleaning lady wearing a protective face mask walks past a bakery, following the outbreak of the coronavirus disease (COVID-19) in Belgrade, Serbia, November 4, 2020. REUTERS/Marko Djurica

A hairdresser is seen passing a clean gown to a client while wearing protective face mask in Hensmans hair salon, after new nationwide restrictions were announced during the coronavirus disease (COVID-19) outbreak in Milton Keynes, Britain, November 4, 2020. REUTERS/Andrew Boyers