Sophia answers questions at Hanson Robotics studio in Hong Kong on March 29, 2021. Sophia is a robot of many talents — she speaks, jokes, sings and even makes art. In March, she caused a stir in the art world when a digital work she created as part of a collaboration was sold at an auction for $688,888 in the form of a non-fungible token (NFT). (Photo by Vincent Yu/AP Photo)

A shopkeeper wears a face mask as a precaution against the coronavirus waits for customers at a market in Bengaluru, India, Friday, November 20, 2020. India's total number of coronavirus cases since the pandemic began has crossed 9 million. Nevertheless the country's new daily cases have seen a steady decline for weeks now and the total number of cases represents 0.6% of India's 1.3 billion population. (Photo by Aijaz Rahi/AP Photo)

Models Kendall Jenner and Joan Smalls are seen holding hands as they coordinated in pink while arriving with friends at LIV Miami during Art Basel on December 5, 2019. Luka Sabbat was also seen accompanying the women during their night out on the town. (Photo by Backgrid USA)

A member of Korean Federation for Environmental Movement in a Santa Claus outfit attaches dumped cigarette butts at a cigarette butt Christmas tree in front of Korea Tobacco & Ginseng Corporation office in Seoul, South Korea, Monday, December 23, 2019. The environmental activist group called for a ban on the use of plastic for cigarette filters as part of efforts to protect the environment from toxic plastic pollution. (Photo by Ahn Young-joon/AP Photo)

A couple enjoys the view of the ethnographic and amusement center Kremlin in Izmailovo reflected in the Serebryano-Vinogradnii lake in Moscow, Russia on July 30, 2017. (Photo by Mladen Antonov/AFP Photo)

Revellers take part in the Els Enfarinats festival, in the town of Ibi near Alicante, Spain, Saturday December 28, 2019. For about 200-years the inhabitants of Ibi annually celebrate with a battle using flour, eggs and firecrackers, outside the city town hall. (Photo by Alberto Saiz/AP Photo)

A body laying in the street is covered as police block the area around the site of a shooting in Halle an der Saale, eastern Germany, on October 9, 2019. At least two people were killed in a shooting on a street in the German city of Halle, police said, adding that the perpetrators were on the run. “Early indications show that two people were killed in Halle. Several shots were fired. The suspected perpetrators fled in a car”, said police on Twitter, urging residents in the area to stay indoors. (Photo by Sebastian Willnow/dpa/AFP Photo)

Climate change activist Greta Thunberg reacts during a news conference during COP25 climate summit in Madrid, Spain, December 9, 2019. (Photo by Juan Medina/Reuters)