What is a web to the spider? A home, a tool, simply something they cling to? Tomás Saraceno presents these questions in a new segment from Art21, in which filmmakers visit his Berlin studio and examine the machinations of his collaborative practice, extending from a team of people to the tiny critters beneath our feet.

Saraceno continually considers how humans occupy space and how such environments inform the ways we connect with the world around us. This short documentary, which is part of the “Realms of the Real” episode, reviews several of the artist’s projects, from his suspended installations to his more participatory community projects.

Several artworks presented in the film have been previously featured on Colossal, and the film offers insight into the evolution of Saraceno’s thinking over several years. Much of his work strives for connection and empathy building, which he explains through the structure of the web. “It’s really trying to extend the ability of understanding who is our family, right? Who is our brothers, sisters, and grandfathers?” he says. “By allowing others to admire these incredible webs, they will become more empathetic.”

Find more Art21 films on YouTube, along with some of our favorites previously on Colossal.