Swedish brown bears “Fred” and “Frode” play in the snow on January 30, 2014 at the Natur- und Umweltpark (NUP) animal park in Guestrow, northeastern Germany. Despite of icy temperatures, the bear brothers took a break from their winter rest. (Photo by Bernd Wuestneck/AFP Photo/DPA)

A diesel locomotive has ended up in the river Venoge on March 8, 2013 near Penthalaz, Western Switzerland. The freight locomotive derailed near Cossonez railway station with its driver slightly injured. (Photo by Fabrice Coffrini/AFP Photo)

Belarussian policemen detain a woman in central Minsk on August 11, 2020. Thousands of opposition supporters who also protested the results met with a tough police crackdown in Minsk and several other Belarusian cities for two straight nights. (Photo by Uladz Hrydzin/Radio Free Europe/Radio Liberty)

A woman visits St Savior in Chora church, known as Kariye in Turkish, in Istanbul, Friday, August 21, 2020. Turkey on Friday formally converted former Byzantine church, St Savior in Chora, into a mosque, a month after it similarly turned Istanbul's landmark Hagia Sophia into a Muslim house of prayer, drawing international rebuke. (Photo by Emrah Gurel/AP Photo)

Bar Convent employee Lauren Masterman relaxes after cleaning a historic George and Arthur Maw tiled floor created in 1867, one of only two surviving examples of this assemblage of tiles, at England's oldest living convent Bar Convent on October 13, 2020. Visitors to the convent are being invited to follow in the footsteps of residents from the last 150 years and enjoy the historic space decorated with rare 19th century floor tiles. (Photo by Danny Lawson/PA Images via Getty Images)

A French Bulldog named Nord Boss stands an the back of his owner Natasha while they skateboard in the Sokolniki Park in Moscow, Russia on October 14, 2020. (Photo by Evgenia Novozhenina/Reuters)

Ellen MacRae a student from Edinburgh University take a lateral flow antigen test at a test centre which is also open to students in Edinburgh Napier University, Queen Margaret University and SRUC on December 1, 2020 in Edinburgh, Scotland. The programme is running in partnership between the University of Edinburgh and other Scottish universities, the Scottish Government and NHS Test and Protect, supporting students leaving their term-time accommodation to travel home at the end of term for the winter break. (Photo by Jeff J. Mitchell/Getty Images)

Birds congregate by the ocean at sunrise, after California’s governor said he would impose some of the nation’s strictest stay-at-home orders in the coming days, as the global outbreak of the coronavirus disease (COVID-19) continues, in Santa Monica, California, U.S., December 4, 2020. (Photo by Lucy Nicholson/Reuters)