Remember the Owl Cave of Twin Peaks? Agent Cooper was really plodding about the Bronson Caves in Griffith Park, not too far from AFI, because alum David Lynch didn’t stray. Those were some busy caves. From Batman to Gunsmoke, decades of film and television production units scampered in those rocky crevices and now, photographer Brice Bischoff. These ephemeral, organic blurs result from long-exposure photography and “experimental” movement in the Bronson Caves. Daytime light-painting! Film fetishism! Uh… swishing colorful rags around. All in good fun: “Bronson Caves,” Brice Bischoff, Mar – Apr, Kopeikin Gallery, Culver City