[待更新] The Orange County Great Park in Irvine, California, is the first great metropolitan park of the 21st Century, built upon the former El Toro Marine Corps Air Station. The Great Park is in the geographic center of Orange County, California, a diverse metropolitan community of three million located halfway between Los Angeles and San Diego. The Great Park has direct freeway and rail access, making it accessible to more than 10,000,000 Southern California residents. /th Anniversary Photo Contest—Submit Your Great Park Photos The Orange County Great Park and the Cit...