Soldiers of the 70th division of the American 7th Army hold up a Nazi flag and a portrait of Adolf Hitler, taken during the World War II capture of Saarbrucken. (Photo by Horace Abrahams/Keystone/Getty Images). 22nd March 1945

Alex Plunkett, left, and Sean Hart, both of Arlington, Va., join hundreds participating in the annual International Pillow Fight Day on April 5. Massive pillow fights broke out on the Mall in Washington and in cities around the world. (Photo by Marvin Joseph/The Washington Post)

A “colacho” (a person dressed up as a devil) chases people during “El salto del Colacho”, the baby jumping festival in the village of Castrillo de Murcia, near Burgos on June 3, 2018. (Photo by Cesar Manso/AFP Photo)

A woman watches the St. Patrick's day parade in Dublin, Ireland on March 17, 2017. St. Patrick's Day is marked annually on 17 March to commemorate Saint Patrick, a patron saint of Ireland. (Photo by Clodagh Kilcoyne/Reuters)

Folk artists perform intangible culture heritage items during a celebration at a park in Chengshan Town to welcome Chinese new year, on Janaury 18, 2022 in Rongcheng, Shandong Province of China. (Photo by Yang Zhili/VCG via Getty Images)

A green frog sits on a moth orchid at a local agricultural research center in Hwaseong, about 40 kilometers south of Seoul, South Korea, 03 March 2022, two days ahead of “gyeongchip”. On the lunar calendar, gyeongchip is the day when frogs awake from hibernation. (Photo by Yonhap/EPA/EFE)

Girls in Han costumes pose for a photo with blooming cherry blossoms at Yuyuantan Park during Qingming Festival holiday on April 4, 2022 in Beijing, China. Qingming Festival, also known as Tomb Sweeping Day, falls on April 5 this year. (Photo by Zhao Naiming/VCG via Getty Images)

Women wearing historical costumes walk past a tank before a rehearsal for the Victory Day parade, which marks the anniversary of the victory over Nazi Germany in World War Two, in Saint Petersburg, Russia on April 28, 2022. (Photo by Anton Vaganov/Reuters)