A man holds his umbrella during snowfall on the Areopagitou pedestrian street beneath the Acropolis hill during snowfall in Athens, Greece, January 10, 2017. (Photo by Alkis Konstantinidis/Reuters)

A mannequin wearing a face mask and nurse's uniform stands next to a sign supporting the NHS, stands in a field during the Covid-19 pandemic on October 06, 2020 in Northwich, United Kingdom. (Photo by Christopher Furlong/Getty Images)

The Soyuz MS-17 spacecraft carrying the International Space Station (ISS) expedition 64 crew of NASA astronaut Kate Rubins and Russian cosmonauts Sergey Ryzhikov and Sergey Kud-Sverchkov blasts off to the ISS from the Russian-leased Baikonur cosmodrome in Kazakhstan on October 14, 2020. (Photo by Roscosmos/Handout via AFP Photo)

A young lady poses for the camera as police steward boozers away from pubs and bars in Newcastle, United Kingdom on October 23, 2020. The extra restrictions which servely limits social mixing in hospitality venues will come into effect on October 23, 2020. (Photo by North News and Pictures/The Sun)

Police officers detain a FEMEN naked activist during an action at the Poland embassy in Kiev on October 26, 2020 in support of Polish women in their right to abortion. (Photo by Sergei Supinsky/AFP Photo)

A vendor sells fish at Central Market in freezing conditions of minus 43 degrees Celsius in the city of Yakutsk, Sakha (Yakutia), Russia on December 13, 2020. The winters in Yakutsk are extremely cold and long and the summers short and warm, with temperatures sometimes rising above 30C. (Photo by Yevgeny Sofroneyev/TASS)

Cadets of Tamilnadu Police perform an acrobatic stunt during a full dress rehearsal for the upcoming Republic Day Parade in Chennai on January 24, 2021. (Photo by Arun Sankar/Profimedia/AFP Photo)

Yanna Xian, 24, and her boyfriend Mitch Brown, 27, were swimming while on a boat tour off Honolulu, Hawaii last year, when a curious two-week-old humpback approached them. (Photo by South West News Service)