Border guard officers, wearing masks against COVID-19 infection adjust their outfits before a distinguished service awards ceremony for employees of the interior ministry in Bucharest, Romania, Thursday, July 16, 2020. Romania has registered on Thursday the highest number of COVID-19 infection cases since the pandemic reached the country in February, 777 in a 24 hours interval, as many fail to observe the mandatory protection measures, like the use of a face mask indoors or maintaining social distancing. (Photo by Andreea Alexandru/AP Photo)

German flying ace Baron Manfred von Richthofen (1892–1918) also known as The Red Baron with his dog Moritz, circa 1916.

British Alex Yee looks exhausted after the men's individual triathlon race at the Paris 2024 Olympic Games, on Wednesday 31 July 2024 in Paris, France. (Photo by Tom Jenkins/The Guardian)

Azerbaijan's Mariya Stadnik (R) wrestles Mongolia's Otgonjargal Dolgorjav (L) in their women's freestyle 50kg wrestling quarter-final match at the Champ-de-Mars Arena during the Paris 2024 Olympic Games, in Paris on August 6, 2024. (Photo by Punit Paranjpe/AFP Photo)

German field telegraph operators at work in Warsaw. (Photo by Hulton Archive/Getty Images). 1st October 1914

A spectator reacts after a Brazil Volleyball win during Paris 2024 Olympics in Women's Preliminary Round, Pool B Brazil vs Poland at South Paris Arena 1 in Paris, France on August 04, 2024. (Photo by Siphiwe Sibeko/Reuters)

Beach volleyball athletes from Lithuania and Spain train in Paris on July 25, 2024. (Photo by Louisa Gouliamaki/Reuters)

Shannon McGurgan (Bottom), Farhad Ahadi (Middle) and Malia Walsh (Top) perform the Circus Trick Tease on stage at a media call ahead of the inaugural Melbourne Circus Festival on September 23, 2011 in Melbourne, Australia. The National Institute of Circus Arts will showcase artists from around the world during the first ever circus festival in Melbourne from September 26 – October 2. (Photo by Hamish Blair/Getty Images)