The work that began Monday focused on the museum’s 1965 Leo S. Bing Center, a 600-seat theater designed by architect William L. Pereira that has been used for film screenings, musical performances, talks and other events. Interior demolition of three other buildings — Pereira’s 1960 Hammer and Ahmanson buildings as well as Hardy Holzman Pfeiffer Associates’ 1980s Art of the Americas building — is underway as well. – Los Angeles Times