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)

A child plays with a mock submachine gun at a model Mass Transit Railway (MTR) station to mark the National Security Education Day at Hong Kong Police College in Hong Kong, China on April 15, 2021. The “education day” was organized to promote the sweeping legislation China imposed last year, marked with school activities, games and shows, and a parade by police and other services. (Photo by Tyrone Siu/Reuters)

Rocky the cat's recovery from a nerve condition in his legs is coming along swimmingly – thanks to regular hydrotherapy sessions at a 20ft-long swimming pool in United Kingdom in the second decade of March 2022. The two-year-old wears a life vest to help keep him afloat and needs a plastic toy to lure him from one end of the pool to the other. (Photo by Max Willcock/BNPS Press Agency)

A Ukrainian girl plays with balloons with the colours of her country's flag aboard the Corsica Linea ferry “Mediterranee” in Marseille, southern France, on April 26, 2022. Anna and her children enjoy the sun on the deck of a ferry moored in Marseille: they are not vacationers but Ukrainian refugees who, on this boat, have finally found safety, “like in a village”, with 700 others compatriots. The “Mediterranean” usually serves Algeria, for the Corsica Linea. But it is now docked, at the Joliette ferry terminal in Marseille, with its unusual passengers. (Photo by Nicolas Tucat/AFP Photo)

Students from Cambridge University make their way home after celebrating the end of the academic year at a May Ball in Trinity College on Tuesday, June 21, 2022. The first official May Ball in Trinity College's grounds was held in 1866 with the tradition quickly spreading to the other colleges. (Photo by Joe Giddens/PA Images via Getty Images)

Some runners fall during the “El Pilon” running-the-bulls in the village of Falces, Navarra, northern Spain, 16 August 2022. “El Pilon” running-the-bulls is held on a hill where runners have to avoid the herd of cows on a 800 meter long and narrow slope with the mountain on one side and a steep cliff on the other. (Photo by Peio H/EPA/EFE)

Grand Blanc junior Sarah Hartwell chants “Get her out!” as more than 100 students, retired teachers and other members of the community march on Monday, May 24, 2021 on the sidewalk along Saginaw Street outside of Grand Blanc High School, protesting Amy Facchinello, a school board member accused of believing in the QAnon conspiracy. About 25 counter-protesters showed to argue that Facchinello was duly elected and has her right to free speech. (Photo by Jake May/AP Photo)

Passengers wear no trousers as they ride the London Underground in London, Britain, 07 January 2018. The No Pants Subway Ride is an global annual event where people take the public transport while they are not wearing trousers to surprise other passengers. This event takes place on the first Sunday of every year in the world's major cities. (Photo by Tolga Akmen/EPA/EFE/Rex Features/Shutterstock)