In a message dated 9/24/1999 11:03:12 AM Pacific Daylight Time, firstname.lastname@example.org writes:
<< . I really like being outdoors, in urban environments
as well as rural ones, and if I'm lucky enough to be able to leave this planet, I'll probably have to give up most of that particular experience at that time, so I'm not eager to give it up any earlier. >>
I got from his post ( correct me if I 'm wrong lee) was that the surface was then left FREE for parks, shopping, promenades, games, hikes, nature preserves, and so forth, so you would be able to go there anytime... your'e not a locked in citizen of an underground city, but resourcing vast space for work and those who chose too there (probably a hell of a lot cheaper) , and save the above ground for recreation and solar power sources etc.