A dog plays with a giant soap bubble in downtown Kiev, Ukraine, 06 March 2020. (Photo by Sergey Dolzhenko/EPA/EFE)

Pigeons cool down at a public fountain on a hot summer day at University Plaza in downtown Bucharest, Romania, 10 June 2020. Temperatures in Bucharest reached 30 degrees Celsius. (Photo by Robert Ghement/EPA/EFE)

A vendor adjusts her scarf as she sells Winnie the Pooh cartoon-shaped balloons on a highway during the weekend lockdown in Amritsar, India, 30 August 2020. Another lockdown was imposed by the state government to control the spread of novel coronavirus which causes the Covid19 disease. (Photo by Raminder Pal Singh/EPA/EFE/Rex Features/Shutterstock)

SpaceX crews prep the Starship SN8 for its second test engine firing in Boca Chica, TX. on Wednesday, November 11, 2020. SpaceX will try Thursday with 2 engines to be the first ever static fire test to use the LOX header tank. (Photo by Gene Blevins/ZUMA Wire/Rex Features/Shutterstock)

Woman carrying luggage walks along a railway track on the outskirts of Mumbai, India on November 12, 2020. (Photo by Francis Mascarenhas/Reuters)

A brig with scarlet sails travels on the Finnish Gulf coast during a rehearsal for the the Scarlet Sails festivities marking school graduation in St. Petersburg, Russia, early Saturday, June 27, 2020. This year the festival will not be held in the city center, but on the Finnish Gulf. Due to the coronavirus pandemic, there will be no spectators but the event will be broadcast on television. (Photo by Dmitri Lovetsky/AP Photo)

Tercio Galdino, 66, and his wife Aliceia, 65, wear their protective “space suits” as they walk on the sidewalk of Copacabana Beach amid the coronavirus outbreak in Rio de Janeiro, Brazil, July 11, 2020. (Photo by Ricardo Moraes/Reuters)

Revellers take part in New Year's Eve celebrations in Kyiv, Ukraine on December 31, 2020. (Photo by Valentyn Ogirenko/Reuters)