Vietnam’s Son Doong cave, the largest in the world, could hold a 40-story skyscraper inside. The pristine ecosystem has its own river and jungle. Despite its size, Son Doong wasn’t discovered until 1991. It was lost again for nearly two decades and was fully explored for the first time in 2009. (Photo by Jason Speth/HuffPost)

Women dressed in folk costumes take part in a traditional wedding ceremony in the village of Galicnik, west of Macedonia's capital Skopje, July 12, 2014. The Galicnik Wedding, a three-day traditional Macedonian wedding celebration held each “Petrovden” or St. Peter's Day, involves traditional customs, costumes, and rituals and dances that have been passed down over the centuries. (Photo by Ognen Teofilovski/Reuters)

File photo dated 21/04/66 of Pattie Boyd in London's West End wearing a mini skirt, as the British designer Mary Quant, widely credited with popularising the mini skirt has recalled its “feeling of freedom and liberation” 50 years after she took the fashion world by storm. Quant, who named the skirt after her favourite make of car, said she “couldn't have imagined” in 1964 that it would become a staple of women's clothing, but added: “It seemed then to be obvious, and so right”. (Photo by PA Wire)

France's Alice Finot celebrates next to the mascot winning silver in the Women's 3000m final at the 2021 European Athletics Indoor Championships in Torun on March 5, 2021. (Photo by Aleksandra Szmigiel/Reuters)

Revellers descended onto Broad Street in Birmingham on Thursday, March 28, 2024 evening into the early hours of Good Friday. The partygoers took advantage of the Easter Bank Holiday on Friday to let their hair down despite Storm Nelson still bringing strong winds and cold temperatures to the region. (Photo by Stop Press Media/Splash News and Pictures)

Tourists take photographs with a statue of Shakira at the Malecon in Barranquilla, Colombia, on December 26, 2023. Arms interlocked high, belly exposed, and torso folded to one side anticipate Shakira's iconic hip movement, immortalized on Tuesday in a 6.5-meter-high statue in the Colombian port city of Barranquilla, where she grew up. (Photo by Carlos Parra Rios/Reuters)

Hello Kitty and Jen Lyons of Mrs. Bella's Dolls attend The First Ever Hello Kitty Beauty Hotel Suite presented by Sephora at Maison 140 on December 10, 2011 in Beverly Hills, California. (Photo by Rebecca Sapp/Getty Images for Sephora)

Undated handout photo of members of Ballet Ireland during a photocall on Edinburgh's Calton Hill before taking part in the Edinburgh Festival 2018 in Edinburgh, Scotland. Issue date: Tuesday, August 7, 2018. (Photo by Julie Howden/Culture Ireland/PA Wire)