Soros can pay for the maintenance, too. Something with that kind of design will need a deep base for trees to establish on. But then comes winter with its deep freezes. How fast will that break up the structure with the moisture in there?
Corridors - a watchword - In the slaughterhouse they funnel the livestock in ever narrowing corridors and at the end they become dead meat walking.
Agenda 21 is big on corridors and isolated pockets.
Soros is probably a big Agenda 21 proponent.
Be alert or be a dead slave walking.