But it wouldn't have been ecological. The geotects of Imperial Tectonics 
would not have known an ecosystem if they'd been living in the middle of one. 
But they did know that ecosystems were especially tiresome when they got 
fubared, so they protected the environment with the same implacable, plodding, 
green-visored mentality that they applied to designing overpasses and culverts. 
Thus, water seeped into Source Victoria through microtubes, much the same way 
it seeped into a beach, and air wafted into it silently down the artfully 
skewed exponential horns of those thrusting calla lilies, each horn a point in 
parameter space not awfully far from some central ideal. They were strong 
enough to withstand typhoons but flexible enough to rustle in a breeze. Birds, 
wandering inside, sensed a gradient in the air, pulling them down into night, 
and simply chose to fly out. They didn't even get scared enough to shit.