The pop-up began when a large glass box appeared in Grand Central's Vanderbilt Hall, containing a replica of the four-seated desk from Lumon's Macrodata Refinement department. Hired actors playing Lumon employees sat at their desks, doing Lumon things (by which I mean, sorting numbers while not having a clue what said numbers mean).

Apple TV+’s hit series “Severance” set up an office inside of a glass box in the middle of New York City’s bustling Grand Central Station.

The cast of Ben Stiller's "Severance" made a surprise appearance as their characters inside a glass box at Grand Central in New York City.

Grand Central Station in New York City, New York, US Video Recording Date/Time: January 14, 2025 The cast of the television series Severance appeared at New York City’s Grand Central on Tuesday, January 14,