It's this massivegrey concrete tube with this bizarre open centerthat descends right...

It's this massive
grey concrete tube with this bizarre open center
that descends right through the middle
of the building. [narrator] Travelling
deeper into the dark abyss, is an apocalyptic wasteland. [Auerbach] The floor
of the central core is uneven. There's still huge slabs
of bedrock there. There's still huge slabs
of bedrock there. It's as if they never
quite finished removing them