German magazine WELT published an interview last week in which filmmaker Wim Wenders said that he’s working on a new documentary on Pritzker Prize-winning Swiss architect Peter Zumthor.

In the interview, Wenders said that he is working on a “long-term observation” of the architect, and that he has been following two Zumthor projects (the new Los Angeles County Museum of Art (LACMA) Museum building in Los Angeles and the expansion of the Fondation Beyeler in Switzerland) since their beginnings. He said that he is also visiting all of Zumthor’s buildings. Wenders did not specify when the movie would be finished or released, though he did potentially imply that the movie would be released in 3D.

Wenders is one of the most celebrated living filmmakers. He won the Palme d’Or at the 1984 Cannes Film Festival for his movie Paris, Texas, and he has made several documentaries about other similarly laureled artists, like choreographer Pina Bausch and Brazilian photographer Sebastião Salgado.

Zumthor is currently working on the controversial new LACMA building, which has faced intense criticism from commentators in Southern California. The existing Ahmanson Building, designed by William Pereira, is being demolished to make way for Zumthor’s new structure and work is nearly complete. The building is scheduled to finish in 2023.