The Y-40 Deep Joy is the worlds deepest pool. Y-40 is projected by Architect Emanuele Boaretto and supported by the “Boaretto Group Hotel and Resort”. The name Y-40 is inspired by mathematical symbols. “Y” is the ordinate axis of the Cartesian system and “–40” means the world's record depth or our pool- that is 40 meters underground. (Photo by Courtesy Y40 Deep Joy)

A prototype Rollkers transportation device is displayed during a press event at the Mandalay Bay Convention Center for the 2015 International CES on January 4, 2015 in Las Vegas, Nevada. The product is not a skate; it balances for you and when you place it on the bottom of your shoe, it gives you the ability for faster transportation based on walking. The balance CES, the world's largest annual consumer technology trade show, runs from January 6-9 and is expected to feature 3,600 exhibitors showing off their latest products and services to about 150,000 attendees. (Photo by Ethan Miller/Getty Images)

Supporters of Lebanese President Michel Aoun hold up a giant Lebanese flag as he delivers a speech outside the presidential palace in Baabda, east of Beirut, Lebanon, Sunday, October 30, 2022. Aoun left Lebanon's presidential palace Sunday marking the end of his six-year term without a replacement, leaving the small nation in a political vacuum that is likely to worsen its historic economic meltdown. (Photo by Bilal Hussein/AP Photo)

A woman holds a disguised cuy or guinea pig (Cavia Porcellus), a popular source of meat in southern Colombia, at the Cuy Festival in La Laguna municipality, Nariño department, Colombia, on January 7, 2022. (Photo by JOaquin Sarmiento/AFP Photo)

People visit the Antelope Valley California Poppy Reserve in Lancaster, California, to view the flowers blooming on April 6, 2023. California’s biologically diverse landscapes are home to more than 7,000 species of native plants, and the California Poppy, also known as golden poppy, a flowering plant native to the United States and Mexico became the official state flower in 1903. (Photo by Frederic J. Brown/AFP Photo)

Dancers from Kyiv and Dnipro preparing themselves in the wings for a performance at the Kyiv National Opera House on June 24, 2022. (Photo by Julian Simmonds/The Guardian)

This picture taken on June 3, 2023 shows wild elephants eating rubbish mixed with plastic waste at a dump in the eastern district of Ampara. (Photo by Ishara S. Kodikara/AFP Photo)

Sean Tschigerl #19 of the Calgary Hitmen, Tyson Galloway #22 of the Calgary Hitmen and David Adaszynski #17 of the Calgary Hitmen jump into the stuffed toys after a goal in the first period on the Prince Albert Raiders during the annual Teddy Bear Toss at the Scotiabank Saddledome on December 03, 2023 in Calgary, Alberta. (Photo by Leah Hennel/Getty Images)