A medical worker in protective gear sprays mist on her colleague during a hot day at an outdoor clinic for coronavirus tests at a public health facility in the southwestern city of Gwangju, South Korea, 05 June 2020. (Photo by Yonhap/EPA/EFE)

Grand champion Hakuho (front) barely defeats Daieisho on the first day of the Spring Grand Sumo Tournament at Tokyo's Ryogoku Kokugikan on March 14, 2021. (Photo by Kyodo News/Newscom/Profimedia)

An elephant cools off at a zoo in Karachi, Pakistan, 31 March 2021. Caretakers at Karachi's zoo were working to keep animals cool during a​ heatwave affecting southern Pakistan. (Photo by Shahzaib Akber/EPA/EFE)

A mother reacts as she pleads with police to allow her daughter to pass a checkpoint for cancer treatment after she arrived from Hubei province at the Jiujiang Yangtze River Bridge in Jiujiang, China, February 1, 2020. (Photo by Thomas Peter/Reuters)

Youtubers wearing masks of pigs film a video at a shopping district which has fewer people than usually amid the coronavirus disease (COVID-19) outbreak in Tokyo, Japan, May 19, 2020. (Photo by Kim Kyung-Hoon/Reuters)

Two Girls who managed to evade the police walk away as police on foot and horseback push back to te curd at Park Row, In New York on April 26, 1960, A milling throng of more than 1,000 High students who storned city hall in a Demonstration supporting teachers wage demands. (Photo by AP Photo)

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)

A contestant for Miss Tiffany's Universe Thailand 2018 gets ready backstage during the annual transgender beauty contest “Miss Tiffany's Universe Thailand 2018” at the Tiffany's Show Theatre in Pattaya city, Chonburi province, Thailand, 31 August 2018. Thirty Thai transgender contestants took part in the final stage of the annual beauty contest which is aimed to promote the tourism industry in the resort city of Pattaya city. (Photo by Narong Sangnak/EPA/EFE)