A towering wall crashes to rubble on the stage. Dancers make their way through the remains of a crumbling city in stiletto high heels. Six pianists hammer out Tchaikovsky on upright pianos while men and women exploit and are exploited. In Palermo Palermo, the late Pina Bausch’s 1989 work, the acclaimed dance-theater pioneer observed—through a series of vignettes by turns somber and surreal—the daily rituals of a people capable of both resonant beauty and chilling brutality. Bausch’s influential Tanztheater Wuppertal, which first appeared at Cal Performances in the US premiere of her Nur Du (Only You) in 1996, returnsto Berkeley for the first time since 2011.