Dress Rehearsal - With air intake grille running around the perimeter of the stage, and smoke ‘triangle’ ducts at each quadrant.
The structure from above with 80’ diameter performing surface in ply, with central elevator, surrounded by packed dirt covered with a skimmed layer of concrete, painted white. Crew access tunnel at top, with flip-up “drawbridge” to be built over it, and an equipment access route below, covered and painted the day before the event.
An 80’ diameter performing surface, with hollow work space for special effects beneath, surrounded by sloping sides of dirt with a retaining wall between.
Day 1 - The stadium filling with crushed concrete “dirt” and the central scaffold beginning to build
The retaining wall with smoke & dry-ice ducting waiting to be installed into perimeter lighting trough
Interior wall of concrete blocks
Smoke & dry-ice ducting, both horizontal & vertical.
Dirt being mounded on one side of circle.
Smoothing & shaping the concrete layer on top of the packed dirt.
Spraying concrete on top of packed dirt.
Panorama of the Underworld loaded with special effects equipment and gas bottles, and showing central elevator mechanism.
Concrete laying & upper stage deck near to completion, with lighting boxes installed around perimeter.
Undercoat painting begins.
Installation of counterweighted “drawbridge” crew entrance.
Crew Drawbridge in the down position.
Completed structure with equipment portal covered over and painted to match the rest of the surface.
Drone shot of stadium with stage structure close to completion.
Projection mapping line-up on structure and stadium floor.
Mid-show.