... most malls have only one floor (albeit one with a very high ceiling). Certainly the mall that the original article is talking about has only one floor (sour

... most malls have only one floor (albeit one with a very high ceiling). Certainly the mall that the original article is talking about has only one floor (source: I lived near the city discussed by the author and know the mall he's talking about). You can't convert the top floor of a one-story building.