The Secret of the First Metropolis? That the Second One Hasn’t Caved-In On It.
A subterranean cavern so vast that it apparently has its own weather system, yet Metropolis doesn’t collapse into it?
Structural engineering says, “No.”
A subterranean cavern so vast that it apparently has its own weather system, yet Metropolis doesn’t collapse into it?
Structural engineering says, “No.”