People ride bicycles in Halloween costumes during “Bike Kill 13” in the Brooklyn borough of New York City, October 29, 2016. “Bike Kill” is an annual gathering of builders and riders of home-made bicycles that culminates in a tall bike jousting competition. (Photo by Stephanie Keith/Reuters)

The abandoned Moulton and Kyle Funeral Home in Jacksonville, Fla., which is more than 150 years old, was left to rot, with the premises eerily strewn with open caskets, a hearse and embalming chemicals. Much like the corpses that were laid to rest, the remains of this building too are slowly decomposing and decaying. Black mold has engulfed the walls, and chipped tiles from the collapsed ceilings cover many of the floors. (Photo by Abandoned Southeast/Caters News Agency)

Tsetse, six-year-old daughter of Dukha herder Erdenebat Chuluu, sits among her family's reindeer in a forest near the village of Tsagaannuur, Khovsgol aimag, Mongolia, April 21, 2018. Nyamaa is an ethnic Darkhad, herders of northern Mongolia who have historically inhabited the steppe that borders the Taiga forests. (Photo by Thomas Peter/Reuters)

St. Senans' Aoife Allen competing in the Women's 3000m Steeplechase at Morton Stadium in Santry, Co. Dublin ob August 30, 2020 during the 2020 National Track & Field Championships. (Photo by Morgan Treacy/INPHO/Rex Features/Shutterstock)

Revellers head out in Leeds city centre, which has one of the country's highest infection rates on October 11, 2020. Cities in northern England and other areas suffering a surge in Covid-19 cases may have pubs and restaurants temporarily closed to combat the spread of the virus. (Photo by NB PRESS LTD/The Sun)

A medical worker in protective gear sprays mist on her colleague during a hot day at an outdoor clinic for coronavirus tests at a public health facility in the southwestern city of Gwangju, South Korea, 05 June 2020. (Photo by Yonhap/EPA/EFE)

Belgium's Jules Hesters (L) falls as he competes in the Men's Elimination race during the first day of the UEC European Track Cycling Championships at the Omnisport indoor arena in Apeldoorn, on January 10, 2024. (Photo by John Thys/AFP Photo)

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.