Overview of Subterranean Space
Worm's-eye Isometric Cutaway
Street Level Isometric 
Triptych Section 
Up | Longitudinal Section
Down | Ground Floor Plan 
1:1 Physical Mock-up
Dome + Retaining Wall
Dome + Pipe
Dome Interior
Sketch Model | Tunnel
Sketches | Dome
Sketches | Overall Scheme
Sketches | Mockup