An Abyssinian cat befriends a judge during a two-day international cat exhibition organized by the World Cat Federation (WCF) in Budapest, Hungary, 18 January 2025. (Photo by Zoltán Balogh/EPA/EFE)

American rapper Coi Leray attends the 2024 People's Choice Awards at Barker Hangar on February 18, 2024 in Santa Monica, California. (Photo by Mario Anzuoni/Reuters)

A member of the Brotherhood of the Diablos Danzantes de Chuao (Dancing Devils of Chuao) arranges his mask during the Corpus Christi festival in the town of Chuao, Aragua state, Venezuela on June 18, 2025. (Photo by Maxwell Briceno/Reuters)

A man walks towards a wave breaking on a rock pool at North Narrabeen Beach in Sydney on April 18, 2025, as large swells hit the east coast of Australia. (Photo by David Gray/AFP Photo)

Space shuttle Atlantis (R) remains docked to the International Space Station photographed by NASA astronaut Ronald Garan during a planned six-and-a-half-hour spacewalk July 12, 2011 in space. Space shuttle Atlantis has embarked on a 12-day mission to the International Space Station where it will deliver the Raffaello multi-purpose logistics module packed with supplies and spare parts. This was the final mission of the space shuttle program, which began on April 12, 1981 with the launch of Colombia. (Photo by NASA via Getty Images)

A man gestures to a robot at a restaurant in Hefei, Anhui province, December 26, 2014. The restaurant, with a space of 1300 square metres and a total of 30 robots to cook meals, deliver dishes and welcome costumers, was reported to be the biggest robot restaurant in China. (Photo by Reuters/Stringer)

Bryan Berg was introduced to card-stacking by his grandfather at the age of 8. He is a self-taught artist in all of the techniques he uses today. Berg's freestanding card structures are based on a grid-like arrangement, which Berg tested in a structural engineering lab to support 660 lbs per square foot―using no tape, no glue, no folding, and no tricks.