A mass pillow fight in Trafalgar Square in central London on April 5, 2014 on International Pillow Fight Day. (Photo by Jane Scanlan)

A humanoid robot named Kansei, meaning “sensibility” in Japanese, makes a facial expression depicting “happiness”, next to the word “Love” during a demonstration at a laboratory of Meiji University's Robot and Science Institute in Kawasaki, south of Tokyo in this June 4, 2007 file photo. Three-fourths of robot installations over the next decade are expected to be concentrated in four areas: transportation equipment, including the automotive sector; computer and electronic products; electrical equipment and machinery. Labor costs have climbed in countries such as China that have been popular for outsourcing production, while technological advances for robots allow them to be more flexible and perform more tasks. (Photo by Yuriko Nakao/Reuters)

A woman in a wedding dress walks on the dried-up riverbed of the Jialing river, a tributary of the Yangtze, that is approaching record-low water levels in Chongqing, China on August 18, 2022. (Photo by Thomas Peter/Reuters)

A person walks by an Ocean Rebellion activist taking part in a demonstration outside Department for Environment, Food and Rural Affairs (DEFRA) in London, Britain on September 15, 2021. (Photo by Hannah McKay/Reuters)

A Saudi trader wears a mask as he monitors stock information at the Saudi stock market in Riyadh, Saudi Arabia on August 25, 2020. (Photo by Ahmed Yosri/Reuters)

Three pals pose for a picture on a night out in Liverpool city centre, United Kingdom on December 24, 2020. Festive boozers braved the cold in Liverpool and York – as millions down South rang in Christmas Day indoors due to Covid restrictions. (Photo by David Nelson/South West News Service)

U.S. President Donald Trump holds news conference on the coronavirus outbreak at the White House in Washington, U.S., February 26, 2020. (Photo by Carlos Barria/Reuters)

Migrants, part of a caravan traveling en route to the United States, carry an anteater that was hit by a car, according to them, as they walk on the road that links Arriaga and Tapanatepec, near Arriaga, Mexico, November 5, 2018. (Photo by Carlos Garcia Rawlins/Reuters)