A Goodfellow's Tree Kangaroo joey with its mother at Sydney Zoo in Australia on January 22, 2021. The 28-week-old male joey, who is yet to be named, has only just begun to pop his head and shoulders out of his mum's pouch. (Photo by Taronga Zoo via Reuters)

A Russian female military cadet marches in front of the Eternal Flame at the WWII memorial complex at Poklonnaya Hill in Moscow on February 17, 2021, during a rehearsal for the upcoming February 23's Defender of the Fatherland Day. (Photo by Alexander Nemenov/AFP Photo)

Indian girls apply colored powder on each other as they wear protective masks as a precautionary measure against coronavirus, during Holi festival celebrations in Bhopal, India, 26 March 2021. Holi marks the beginning of the spring season. Holi will be celebrated as the Hindu spring festival of colors across the country on 29 March. (Photo by Sanjeev Gupta/EPA/EFE)

American model Emily Ratajkowski attends Game 5 of the NBA Playoffs, New York Knicks v Atlanta Hawks at Madison Square Garden in New York, USA on June 2, 2021. (Photo by Startraks Photo/Rex Features/Shutterstock)

A teenager reacts as she receives a shot of the Sinovac vaccine for COVID-19 during a vaccination campaign at a school in Denpasar, Bali, Indonesia on Monday, July 5, 2021. (Photo by Firdia Lisnawati/AP Photo)

Caterine Ibarguen of Team Colombia competes in the Women's Triple Jump Qualification on day seven of the Tokyo 2020 Olympic Games at Olympic Stadium on July 30, 2021 in Tokyo, Japan. (Photo by Matthias Hangst/Getty Images)

A caiman in the Pantanal region of Brazil in 2021. They are used to seeing humans, allowing the photographer, Leighton Lum, a close-up shot. (Photo by Leighton Lum/Caters News Agency)

Picture show a 39-foot whale that was crushed to death hanging lifelessly over the bow of a tanker in Japan. Horrified locals caught sight of the whale as the ship pulled into the harbour of Kurashiki last month, September 2021. (Photo by Newsflash)