A young man wears a mask on the right side of his head as he stands on a bridge with the European Central Bank at left in Frankfurt, Germany, Thursday, October 29, 2020. (Photo by Michael Probst/AP Photo)

An orphaned giraffe nuzzling a wildlife keeper at Sarara camp in Kenya, one of 70 pictures being sold by Prints for Nature (printsfornature.com) to raise money for work by the Conservation International charity. This giraffe was rehabilitated and returned to the wild, as a number of others have done before him. Right now, giraffe are undergoing what has been referred to as a silent extinction. Current estimates are that giraffe populations across Africa have dropped 40 percent in three decades, plummeting from approximately 155,000 in the late 1980s to under 100,000 today. (Photo by Ami Vitale/National Geographic)

The International Space Station (ISS) moving in front of the sun in November 2020 by astrophotographer Andrew McCarthy. These incredible photos capture the clearest images ever taken of the International Space Station (ISS) moving in front of both the moon and the sun. The photos, taken within days of one another, were captured in the space of less than a second, as the space station could be clearly seen zooming across against the bright backdrops of both moon and sun. Photographer Andrew McCarthy, from California, USA, said the photo of the ISS in front of the sun, in broad daylight, was “one of my trickiest shots ever”. (Photo by Andrew McCarthy/South West News Service)

A Student of Yuba Pratibha School, wearing a face shield and masks at school during a coronavirus pandemic in Kathmandu, Nepal, 26 November 2020. The head Teacher of Yuba Pratibha School, Yanga Raj Dahal, started to conduct classes for students, who can’t afford and attend online classes, with strict sanitary regime, providing also free face masks and shields for students. However majority of schools have been conducting online classes in Nepal from 19 March 2020 as part of precautionary measures against the spread of the coronavirus Covid-19. (Photo by Narendra Shrestha/EPA/EFE)

A man wearing a mask walks past the “Christmas Cab” sculpture displayed along Fifth Avenue on December 02, 2020 in New York City. The annual Holiday Sculptures display is organized by the Fifth Avenue Association and consist of 10 sculptures that runs from 50th Street to 59th Street. (Photo by Alexi Rosenfeld/Getty Images)

An Iraqi woman, dressed as Santa Claus, rides her bicycle amid the spread of the coronavirus in the old city of Mosul, Iraq, December 18, 2020. (Photo by Abdullah Rashid/Reuters)

Members of the public take to the water at Barassie Beach in Troon, on the west coast of Scotland on Boxing Day, December 26, 2020 as Storm Bella brings rain and high winds to the UK. (Photo by Andy Buchanan/AFP Photo)

(L-R) Ryan Regez of Switzerland, Tyler Wallasch of USA, Sandro Siebenhofer of Austria and Ferdinand Dorsch of Germany during the men's quarterfinal heat 4 during the men's Ski Cross final at the FIS Freestyle Ski World Cup event in Idre, Sweden 23 January 2021. (Photo by Pontus Lundahl/EPA/EFE)