A four-legged robot dog called SPOT patrols a park as it undergoes testing to be deployed as a safe distancing ambassador, following the coronavirus disease (COVID-19) outbreak, in Singapore on May 8, 2020. (Photo by Edgar Su/Reuters)

The remarkable scene was captured by amateur wildlife photographer Ian Salisbury, 62, at the South Luangwa National park in Zambia. The crocodile grabs hold of the elephant's trunk, but it soon becomes clear that he has bitten off a lot more than he can chew by grabbing the huge beast. Mr Salisbury said the elephant “fled rapidly into the bush” after the attack. (Photo by Ian Salisbury/Caters News)

Bodybuilders pose on stage during the Mr.001 bodybuilding competition in Mombasa, Kenya, on December 11, 2021. This bodybuilding competition was created by a former bodybuilder and its the first one to happen in the coastal city since 2015. The name comes from Mombasa's county code and currently is considered one of the biggest in East and Central Africa. The first edition brought over 200 participants from Kenya, Uganda, Tanzania, Nigeria, South Africa and Pakistan who competed in different categories including physique, bikini and figure. (Photo by Patrick Meinhardt/AFP Photo)

A boy rides on a snow wagon towed by a robot dressed as a Teddy bear, which only moves forward by moving its legs, during the Ice and snow carnival at Taoranting park in Beijing February 9, 2015. (Photo by Kim Kyung-Hoon/Reuters)

A pole-dancing robot built by British artist Giles Walker performs at a gentlemen's club Monday, January 8, 2018, in Las Vegas. The event was held to coincide with CES International. (Photo by Jae C. Hong/AP Photo)

Dennis Hong a professor of Mechanical & Aerospace Engineering at UCLA Samueli School of Engineering attempts to impede the movement of ARTEMIS, a full-sized humanoid robot with first-of-its-kind technology in Los Angeles, California, U.S., April 13, 2023. (Photo by Mike Blake/Reuters)

The Dynasphere, an electrically-driven wheel, invented by Mr. J. A. Purves of Taunton and his son. It had 2.5 horse power and once attained a speed of 25 mph. (Photo by Fox Photos/Getty Images). 1932

Seven-year-old Mimi Meade winces from the sting as Dr. Richard Mulvaney inoculates her April 26, 1954 in McClean, Va., with the new Salk polio vaccine. Mrs. John Lucas, a registered nurse, holds Mimi's arm steady as she gets one of the first injections of the countrywide test. (Photo by Harvey Georges/AP Photo)