Through May 17 at Tropico de Nopal Gallery, 1665 Beverly Blvd., Los Angeles. (213) 481-8112. www.tropicodenopal.com East Los Angeles Civic Center Grand Dedication, 9 a.m.-10 p.m., May 10, at 4801 E.

The Superior Court of Los Angeles County closed all 36 of its courthouses Monday to let its team focus on recovering from a ransomware attack. Courthouses are expected to re-open Tuesday.

The largest trial court in the United States, the Superior Court of Los Angeles County, closed all 36 courthouse locations on Monday to restore systems affected by a Friday ransomware attack.