Željava Air Base, situated on the border between Croatia and Bosnia and Herzegovina under Plješevica Mountain, near the city of Bihać, Bosnia, was the largest underground airport and military air base in the former Yugoslavia, and one of the largest in Europe. (Photo by Thomas Windisch/Exclusivepix Media)

People take a photo next to a blooming tree during cherry blossom season in Yuyuantan Park in Beijing, China on March 31, 2021. (Photo by Thomas Peter/Reuters)

Evy Thomas, dressed as Mystique, poses for a portrait on day one of Comic-Con International on Thursday, July 18, 2019, in San Diego. (Photo by Rebecca Cabage/Invision/AP Photo)

A worker looks at Spring Festival decorations ahead of Chinese Lunar New Year festivities in Beijing, China on January 12, 2023. (Photo by Thomas Peter/Reuters)

Sporty Kendall Jenner shows her flexibility as she models Adanola's latest activewear collection on January 8, 2024. (Photo by Sean Thomas/The Mega Agency)

Women hold hands during the Tokyo Rainbow Pride parade celebrating lesbian, gay, bisexual, and transgender (LGBT) culture in Tokyo, Japan, May 8, 2016. (Photo by Thomas Peter/Reuters)

A woman uses her smartphone before the Chanel Cruise Collection 2015/16 fashion show at the Dongdaemun Design Plaza in Seoul, May 4, 2015. (Photo by Thomas Peter/Reuters)

North Korean soldiers keep watch at the bank of the Yalu River, near the North Korean town of Sinuiju, opposite Dandong in China's Liaoning province, September 10, 2016. (Photo by Thomas Peter/Reuters)