Jeffrey Shiau, 35, a volunteer from the crowd, spits water into the mouth of Sam Kaufman, 27, a performer from the Human Fountains, during a reopening party held as coronavirus disease (COVID-19) restrictions are gradually lifted in Los Angeles, California, U.S. June 15, 2021. (Photo by Cheney Orr/Reuters)

“Jet Man” Richard Browning demonstrating Gravity, a human jet suit system, at the opening of the Army's Personnel Conference held at Farnborough International Conference Centre, Farnborough, Hampshire on Tuesday, November 2, 2021. (Photo by Steve Parsons/PA Images via Getty Images)

Kamchatka brown bears at Kurile Lake in Kamchatka peninsula’s volcanic terrain, Russia on August, 2017. Kamchatka brown bears are generally not dangerous to humans, and only 1% of encounters result in attack. (Photo by Igor Ivanko/Anadolu Agency/Getty Images)

The endangered kea is the world’s only alpine parrot, and one of the most intelligent birds. They show no fear of humans and are thieves and pranksters. The parrot is seen in the Whakaari conservation area, near Glen Orchy in the Otago region of New Zealand, a place where historic huts and mining relics are surrounded by stunning mountains covered in tussock. (Photo by Murdo MacLeod/The Guardian)

Members of the media touch a moving model of a Tyrannosaurus, which uses a dinosaur-type human-operated mechanical suit called “Dino-Techne” by Japanese firm On-Art, during a media preview of the Dinoa Live Exhibition / Amazing Dinosaur Art Exhibition in the Shinjuku district of Tokyo on December 10, 2020. (Photo by Philip Fong/AFP Photo)

Mahmoud El Komy, a 26-year-old Egyptian mechatronics engineer, stands beside Cira 3, a remote-controlled robot that runs tests on suspected coronavirus disease (COVID-19) patients, to limit the human exposure to the virus, amid a second wave of infections in Tanta, Egypt, November 18, 2020. (Photo by Mohamed Abd El Ghany/Reuters)

Primary school students write Chinese character “Ren”, meaning “human being”, during the First Writing Ceremony, a traditional education activity, on September 6, 2023 in Qingdao, Shandong Province of China. (Photo by VCG/VCG via Getty Images)

Mount Etna erupts near Sicily, Italy on March 15, 2021. This is the thirteenth time in twenty-eight days. During the early evening of 14 March and the night between 14 and 15 March a strombolian activity at the Southeast Crater gradually increased, leading to a paroxysmal event which had its peak around 01:00 am, ash blown by the wind touched the south-southeast slope of the volcano reaching also Catania, the event ceased completely around 3:45, photo taken from Milo near Catania on March 15, 2021. (Photo by Salvatore Allegra/Anadolu Agency via Getty Images)