Sunken City' a reminder of an ill-fated residential area By Josh Grossberg, Staff Writer Article Launched: 06/11/2008 01:00:00 AM PDT Jessica Bagwell of Walnut photographs the ruins at Sunken City as a school project on landscape architecture and plant resilience at Cal Poly Pomona. (Sean Hiller/Staff Photographer)But the property also features a less-savory aspect of life in Southern California: treacherous and unstable terrain. Now ominously known as "Sunken City," the 6-acre parcel overlooking the cliffs at the southernmost tip of Los Angeles, in San Pedro, was once dotted with homes - a community of bungalows owned by Harbor Area developer...