There are so many cities in the stars and planets, upwards. So many universes, so many seas, mountains, skyscraper, houses, we cannot see. Because in the universe these are all simply insignificant particles only: Revision history
Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.