Members of the Slovenian Cave Rescue Association dressed as Santa Clauses rappel down the glass facade of a paediatric hospital in Ljubljana, Slovenia, December 21, 2020.

Garry Damper, 67, a patient at The New Jewish Home, a nursing home facility, receives the coronavirus disease (COVID-19) vaccine from Walgreens Pharmacist Jessica Sahni in the Manhattan borough of New York City, New York, U.S., December 21, 2020.

Model poses with a piece made with recycled materials at a fashion show in Taipei, Taiwan, December 18, 2020.

A volunteer from Forgotten Harvest food bank checks cars at a mobile food pantry before distributing goods ahead of Christmas amid the coronavirus disease (COVID-19) pandemic in Warren, Michigan, U.S., December 21, 2020.

Nurse practitioner Tabe Mase gives U.S. President-elect Joe Biden a dose of a vaccine against the coronavirus disease (COVID-19) at ChristianaCare Christiana Hospital, in Newark, Delaware, U.S. December 21, 2020.

REACT EMS paramedics prepare to transport an 87-yearold woman who had been exposed to the coronavirus disease (COVID-19) and was experiencing symptoms in Meeker, Oklahoma, U.S. December 20, 2020.

A Hungarian truck driver smokes as he waits at Ashford International Truck Stop, as EU countries impose a travel ban from the UK following the coronavirus disease (COVID-19) outbreak, in Ashford, Britain, December 21, 2020.

Thao Galvan holds her son Nathan while they view Jupiter and Saturn during a planetary conjuction, as they appear close together in a rare celestial event in Houston, Texas, U.S., December 21, 2020.

White House senior advisor Ivanka Trump poses for a photograph with supporters during a campaign event for Senator David Perdue (R-GA) and Senator Kelly Loeffler (R-GA), at the Olde Blind Dog Irish Pub, in Milton, Georgia, U.S., December 21, 2020.

Farmers warm themselves on a cold winter morning at the site of a protest against new farm laws, at Singhu border, near New Delhi, India, December 21, 2020.

Toilet paper rolls are seen on an almost empty shelf as people shop at a Sainsbury's store, amid the coronavirus disease (COVID-19) outbreak, in London, Britain December 21, 2020.

A truck driver is illuminated in his cabin while lorries are parked on the M20 motorway, as EU countries impose a travel ban from the UK following the coronavirus disease (COVID-19) outbreak, near Ashford, Britain, December 21, 2020.

Willie Lai has dinner with family friends during a farewell party for the Lai family before they emigrate to Scotland, at their friend's home in Hong Kong, China, December 5, 2020. REUTERS/Tyrone Siu

Asa Lai cries next to her friend Florence during a farewell party for the Lai family before they emigrate to Scotland, at a friend's home in Hong Kong, China, December 5, 2020. REUTERS/Tyrone Siu

The Lai family, who are emigrating to Scotland, look out over the city's skyline on a outing to Tsim Sha Tsui in Hong Kong, China, December 14, 2020. REUTERS/Tyrone Siu

Soccer Football - Premier League - Burnley v Wolverhampton Wanderers - Turf Moor, Burnley, Britain - December 21, 2020 Burnley's Ashley Barnes celebrates scoring their first goal with Ashley Westwood Pool via REUTERS/Gareth Copley

A man queues to fill an oxygen tank for a relative due to an increase in coronavirus disease (COVID-19) infection rates in Mexico, outside a medical supply store in Mexico City, December 21, 2020.

Far-right protesters break the door to the Capitol building during a protest against restrictions to prevent the spread of coronavirus disease (COVID-19) in Salem, Oregon, U.S., December 21, 2020.