In this Wednesday, December 2, 2015 photo, Dr. Gal Kelmer, head of the department of large animals, unties a horse after its operation at the University's Koret School of Veterinary Medicine in Rishon Lezion, Israel. “Horses have an instinctive response of flight from danger”, Kelmer said. “The minute they wake up they start trying to stand and run, even if they don't have control of their limbs. So then they fall”. (Photo by Oded Balilty/AP Photo)

People enjoy skating at the open air Christmas ice rink on the first floor of the Eiffel Tower after its reopening on December 19, 2016 in Paris The ice rink of about 200 square metres and on the first floor of the tower (57 metres above the ground) is open to the public until February 19, 2017. (Photo by Joel Saget/AFP Photo)

Prince Philip, Duke of Edinburgh practicing his bicycle polo technique, Windsor Great Park, Berkshire, 1964. (Photo by Norman Potter/Daily Express/Hulton Archive/Getty Images)

A Somali fisherman carries a sailfish on his head to the Hamarweyne fish market near the port in Mogadishu, Somalia, on January, 5, 2018. (Photo by Mohamed Abdiwahab/AFP Photo)

These friends took a tumble after sharing a hug in Leeds in northern England on May 17, 2021, as Covid-19 lockdown restrictions ease. (Photo by London News Pictures)

A young girl chases pigeons as Muslim worshippers gather to perform the Eid al-Fitr morning prayer at the Grand Mosque in Saudi Arabia's holy city of Mecca to mark the end of the fasting month of Ramadan, on May 13, 2021. (Photo by Abdulghani Essa/AFP Photo)

In this Monday, April 6, 2020 photo, a woman carries a her baby and a bucket of water in Harare. Lockdowns imposed to curb the coronavirus’ spread have put millions of women in Africa, Asia and elsewhere out of reach of birth control and other sexual and reproductive health needs. Confined to their homes with husbands and others, they face unwanted pregnancies and little idea of when they can reach the outside world again. (Photo by Tsvangirayi Mukwazhi/AP Photo)

People wear face masks to protect against the coronavirus as they walk across an intersection in Beijing, Friday, June 5, 2020. China on Friday reported five new confirmed coronavirus cases, all of them brought by Chinese citizens from outside the country. (Photo by Mark Schiefelbein/AP Photo)