I saw whole communities in what i think was california who shared internal gardens and pathways to each others houses and backdoors, a great hidden thing whos location i cant be sure but hidden gardens and open back doors it seemed quite unnatural for such a free flowing access. but san francisco came to mind in the colors and terrain. I have no idea what it meant

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In response vernon nielsen to his Publication

the playboy mansion in Los Angeles has many tunnels running from it that were built decades ago