San Diego’s explosive growth has been concentrated in North County, formerly an area of wide-open spaces. Prosperous hi-tech, biotech, commercial, and financial businesses have relocated here and play a major role in the city’s development. Over one million people live in communities with distinct identities, from the high-end rural estates of Rancho Santa Fe to the more modest housing of Marine Corps families in Oceanside. Travel through fabled beach resorts into laid-back surfer towns and active Camp Pendleton Marine Base, or head east from Oceanside past flower farms and avocado groves, ...

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