A three-month-old Sumatran tiger cub named “Bandar” shows his displeasure after being dunked in the tiger exhibit moat for a swim reliability test at the National Zoo in Washington, on November 6, 2013. All cubs born at the zoo must take a swim test before being allowed to roam in the exhibit. Bandar passed his test. (Photo by Manuel Balce Ceneta/Associated Press)

Mikhail Kalashnikov, the father of the world's most popular assault rifle, is handed an AK-74 November 23, 2002 in Izhevsk,1000 East km. from Moscow. November 23 marked the 55th anniversary of the release of the first Kalashnikov gun. According to the Moscow-based Center for Analysis of Strategic and Technologies some 70 million to 100 million Kalashnikovs have been built worldwide since 1947, compared about 7 million to Kalashnikov's Western rival the M-16 assault rifles. (Photo by Oleg Nikishin/Getty Images)

First graders of a cadet's lyceum attend a ceremony to mark the start of the new school year in Kiev, Ukraine, September 1, 2015. September 1 marks the start of a new academic year for students in Ukraine.(Photo by Valentyn Ogirenko/Reuters)

In this Tuesday, July 14, 2015, photo, Phoe Thaw, center, a member of the White New Blood lethwei fighters club, a Myanmar traditional martial-arts club which practices a rough form of kickboxing, stretches during a practice session in their gym on a street in Oakalarpa, north of Yangon, Myanmar. Three of the club's members competed this summer on a stage a world away from the street gym: a mixed-martial-arts “One Championship” event broadcast globally on cable television networks, where fighters could receive $1,000 for each fight, according to coach Myint Zaw who started the traditional fighters' club 15 years ago. (Photo by Gemunu Amarasinghe/AP Photo)

Pietro Sighel of Italy crashes during his heat of the men's 1,000-meter during the short track speedskating competition at the 2022 Winter Olympics, Saturday, February 5, 2022, in Beijing. (Photo by David J. Phillip/AP Photo)

English singer and songwriter Dua Lipa performs onstage during the Dua Lipa Future Nostalgia Tour at FTX Arena on February 09, 2022 in Miami, Florida. (Photo by Jason Koerner/Getty Images)

A woman kneels down to pray at a “Pray and swipe right” event organised by online dating app Tinder, with social-distancing stickers featuring its flame logo on the praying ground, a photo booth where people can take profile pictures for their new accounts, and free offering sets, at the Trimuriti shrine on Valentine's Day in Bangkok, Thailand February 14, 2022. (Photo by Soe Zeya Tun/Reuters)

Fifty-year-old Palestinian Nizar al-Dabbas, a “Musaharati” who plays the traditional role of “Ramadan drummer”, awakens Muslims for the pre-dawn traditional “suhur” meal before the start of the following day's fast, during the holy month of Ramadan in Khan Yunis in the southern Gaza Strip early on April 5, 2022. (Photo by Said Khatib/AFP Photo)