I believe a couple years back these buildings were referred to in Sim City as 'Arcologies'... As in a building so fantastical in it's perfection, essentially it was free to sustain itself internally without any outside interference... (give or take a few power lines 
)...
)...
But apparently what was once sci-fi/fantasy seems to quickly be emerging as realistic possibilities in that desert playground some refer to as Dubai 
.
.
... Albeit somewhat cooler in its scope and ambition. You can read up more on the impending spherical future over at World Architecture...
