A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)

A boy with his bike is seen as rainbow appears after a rainfall in Edremit district of Van province in Turkey on July 08, 2020. (Photo by Ozkan Bilgin/Anadolu Agency via Getty Images)

Military officers look at an AR-10 sniper rifle at LAAD, the biggest military industry expo in Latin America in Sao Paulo, Brazil April 10, 2018. (Photo by Nacho Doce/Reuters)

Mae Zelinsky, left, and Betty O'Beda test ammunition on a .30 caliber rifle at a Remington Arms plant on April 30, 1943. Many women took over jobs that were left vacant when men went overseas to fight in World War II. (Photo by AP Photo)

Actor Mike Lane, standing six feet 10 inches in his stocking feet, makes a perfect monster as he carries actress Nancy Knox down the stairs into Frankenstein's dungeon, February 28, 1958. They have featured parts in the upcoming Boris Karloff movie “Frankenstein 1970”. (Photo by David F. Smith/AP Photo)

A man walks inside the flooded Cochin international airport after the opening of Idamalayar, Cheruthoni and Mullaperiyar dam shutters following heavy rain, on the outskirts of Kochi, India, August 15, 2018. (Photo by Sivaram V/Reuters)

Performers in costume kiss as they take part in the carnival on the main Parade day of the Notting Hill Carnival in west London on August 27, 2018. Nearly one million people are expected by the organizers Sunday and Monday in the streets of west London' s Notting Hill to celebrate Caribbean culture at a carnival considered the largest street demonstration in Europe. (Photo by Daniel Leal-Olivas/AFP Photo)

A Russian police officer detains a teenager during rally protesting retirement age hikes in St. Petersburg, Russia, Sunday, September 9, 2018. A government plan to increase the age for collecting state pensions brought protests across Russia's 11 time zones on Sunday even though the opposition leader who called them was in jail. Nearly 300 people were reported arrested. (Photo by Roman Pimenov/Interpress photo via AP Photo)