not a flying city, the ministry of truth. it was a meteor that vivec had stopped with a spell that kept it hovering over vivec city. however, it still had all of its energy and when the ingenium that held it aloft was destroyed, it finished its fall into vivec. that obliterated vivec city and cause the red mountain to erupt, killing many and severely weakening the dunmer armies. the argonians took advantage of the situation and invaded morrowind, forcing the dunmer to seek refuge in skyrim, solstheim, and parts of cyrodiil.
"Oh good heavens....look at the time. It's rape time. "--Vijay41086