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.

In this June 17, 2014 photo, a North Korean man takes shelter in the rain next to long propaganda billboards in the town of Samjiyon in North Korea's Ryanggang province. The Associated Press was granted to embark on a weeklong road trip across North Korea to the country’s spiritual summit Mount Paektu. The trip was on North Korea's terms. An AP reporter and photographer couldn't interview ordinary people or wander off course, and government “minders” accompanied them the entire way. (Photo by David Guttenfelder/AP Photo)

Employees wear "No-Face" masks during working hours at a service company in Handan, Hebei Province of China. As a service company, staff must smile to customers every day. On “No-Face Day”, staff wore masks to hide their facial expressions and allow them to relax. No-Face is a character in the 2001 animated movie “Spirited Away”, a silent masked creature who has no facial expressions.

People walk by a 3D video advertisement display of a giant cat that was recently installed in the famed Shinjuku shopping district in Tokyo on Friday, July 9, 2021. (Photo by Hiro Komae/AP Photo)

English rapper Alesha Dixon (R) and English actress and media personality Amanda Holden arrive for Britain's got Talent Auditions at London Palladium on January 18, 2022 in London, England. (Photo by South West News Service)

English and Albanian singer-songwriter Dua Lipa in the second decade of December 2022 channels Catwoman in leather. (Photo by dualipa/Instagram)

A member falls as Team Kazakhstan competes during the women's team pursuit speed skating final at the 9th Asian Winter Games in Harbin, China on Tuesday, February 11, 2025. (Photo by Aaron Favila/AP Photo)

An electric scooter for rent covered with snow stands on street after a snowfall at a residential area in Moscow, Russia, 07 April 2025. (Photo by Maxim Shipenkov/EPA/EFE)