Those same tunnels are also connect to a CIA compound….
Inside Playboy Mansion Underground Tunnels
Jack Nicholson, Warren Beatty, James Caan, Kirk Douglas and other celebrities had tunnels built from their homes to the Playboy Mansion, according to a discovery made by Playboy publishers who stumbled across blueprints of the tunnels and photos of their construction while researching an article about the history of Hugh Hefner and the magazine. The tunnels were sealed in 1985 after Hefner married Playmate Kimberly Conrad, according to a Playboy staff member.
https://youtu.be/ATchR2nvuUU
You mean like GEOTUS?