A mother holds her daughter who is injected with a dose of the Soberana-02 COVID-19 vaccine, in Havana, Cuba, Thursday, September 16, 2021. Cuba began inoculating children as young as 2-years-old with locally developed vaccines on Thursday. (Photo by Ramon Espinosa/AP Photo)

Italy's Sofia Raffaeli competes in the individual all-around final during the Rhythmic Gymnastics World Championships at the West Japan General Exhibition Centre in Kitakyushu, Fukuoka prefecture on October 30, 2021. (Photo by Charly Triballeau/AFP Photo)

An Iowa State Patrol trooper works the scene of an overturned semi truck along the westbound shoulder of Interstate 80 near Anita, Iowa, on Wednesday, December 15, 2021, after a band of intense weather crossed through the area. A powerful storm system is blowing through the Great Plains and Midwest, combining with unusually warm temperatures to close highways and prompt numerous tornado warnings. (Photo by Bryon Houlgrave/The Des Moines Register via AP Photo)

German troops in Stalingrad, USSR. September 10, 1942. (Photo by TASS)

Members of the Apollo Rainbow Dancers stretch out in special A train late on May 4, 1985, in New York. The legendary Apollo Theatre celebrated its 50th anniversary in an official reopening after a 15 month refurbishing with a celebrity studded evening. (Photo by Ray Stubblebine/AP Photo)

Senior Buddhist monk Lobsang Tayang sits outside the Amarbayasgalant Monastery in the Baruunburen district, Selenge province, Mongolia, April 26, 2018. (Photo by Thomas Peter/Reuters)

A woman from the Hui Muslim community carries food that will be eaten by her and others to break their fast during the holy fasting month of Ramadan at the Nanxiapo Mosque on June 8, 2018 in Beijing, China. (Photo by Kevin Frayer/Getty Images)

Two horses appear to burst into laughter before a sweet embrace. The horses both turn their head to look at the camera and flash their teeth, treating the lucky photographer to a rare shot. Moments later the pair show their affectionate side by coming together and “hugging”. Photographer Nir Amos, 34, said he was “amazed” to capture the horses “laughing” in a field near Skógar, in the south east of Iceland on July 31, 2018. (Photo by Nir Amos/Solent News & Photo Agency)