Me neither... and back then, it looked like we were still in the prison. Everything was where it was supposed to be, right? Then again, it was dark. We didn't exactly have that much time to take a closer look.
Then there's the body storage... everyone who's been in the dome, but isn't anymore. Add that to the people who was in the dome but didn't join Sentience — they were sleeping in their beds but couldn't be woken up. We were the only ones awake.