'It's a bit farfetched, but it's the only explanation I can think of,' Nick thought. 'They might have lowered the ground just to create a new city above the ruins.'
'The hole is not perfectly angular. The ground near the middle of the ruins is almost 50 meters lower than the ground near the edge. Of course, I'm only talking about the lowest levels of ruins.'
'The ruins of the Enlightened Ones are level.'
'I assume they made it like this to avoid the Sun's perception.'
'Maybe, back then, the Sun wasn't as peculiar about its identity. Maybe it was normal to avoid the Sun's light. After all, without the Nightmare, darkness doesn't sound like a bad thing.'
'If I am right, the layer of the Ancient Ones is basically useless since it's mostly made of residential and commercial buildings.'
'The layer of the Recovering Ones is useless anyway since their technological achievements are unremarkable.'
