Of course I did! I wasn't that silly. [She's not annoyed though, smiling as she explains.] Lower Midgar is covered by the Plate that Upper Midgar is built on. There are places where you can see the sky between gaps, but that isn't really the same. I lived in the sector 5 slums. I knew my way around the lower city just fine, but I didn't leave or go up to the plate until I was... mm, I was 18 when I first went up.