South Vietnamese forces escort suspected Viet Cong officer Nguyen Van Lem (also known as Bay Lop) on a Saigon street February 1, 1968, early in the Tet Offensive. Moments later, Lem was executed by Gen. Nguyen Ngoc Loan, chief of the national police. (Photo by Eddie Adams/AP Photo)

Birds are seen at Kizilirmak Bird Paradise in Turkey's Samsun on April 22, 2021. Kizilirmak Delta Bird Sanctuary, which is on the UNESCO World Heritage Tentative List and hosts 359 to 487 species of birds in Turkey, became more active with the arrival of spring. (Photo by Mehmet Kumcagiz/Anadolu Agency via Getty Images)

Russian police cadets march during general rehearsal of the Victory Day parade on the Dvortsovaya Square in St. Petersburg, Russia, 07 May 2021. The military parade marking the 76th anniversary of the victory over Nazi Germany in the World War II will take place on the Dvortsovaya Square on 09 May 2021. (Photo by Anatoly Maltsev/EPA/EFE)

American singer and songwriter Leslie Grace arrives for the “In The Heights” opening night premiere at the United Palace Theatre in the Washington Heights neighborhood in Manhattan, New York, U.S., June 9, 2021. (Photo by Jeenah Moon/Reuters)

Dina Asher-Smith of Great Britain reacts after competing in the women's 200m during the Wanda Diamond League Golden Gala meeting. Dina Asher-Smith placed first. (Photo by Ciro De Luca/Reuters)

USA's Jourdan Elizabeth Delacruz reacts as she competes in the women's 49kg weightlifting competition during the Tokyo 2020 Olympic Games at the Tokyo International Forum in Tokyo on July 24, 2021. (Photo by Edgard Garrido/Reuters)

Riders from Netherland and Belgium crashes in the women's track cycling madison final during the Tokyo 2020 Olympic Games at Izu Velodrome in Izu, Japan, on August 6, 2021. (Photo by Matthew Childs/Reuters)

Olympic medal winning twins Jessica (left) and Jennifer Gadirova celebrate their GCSE results at Aylesbury Vale Academy in Buckinghamshire, United Kingdom onThursday, August 12, 2021. (Photo by Steve Parsons/PA Images via Getty Images)