Elizabeth Turk’s “Shoreline Project” will light up Laguna Beach on November 3

What might 1,000 black-and-white umbrellas, each designed with the image of a seashell X-ray and illuminated with LED lights, accomplish? When the umbrellas are undulated by volunteer performers spread along Main Beach for “Shoreline Project,” artist Elizabeth Turk envisions a common memory for the community. That one-night spectacle is the centerpiece of Laguna Art Museum’s sixth annual Art & Nature, a four-day exploration into the relationship of art with the natural worl