Acolumnofsmokerosefrom thechimney.
As herfeverspiked, theywatchedthecolumnofmercuryin thethermometerrise.
The muchrooms aregrownoncolumnsofstrawthat arehungfromceilings.
Withindoorskydiving, yourideon acolumnofairjust a fewfeetoff theground.
Thickcolumnsofsmokepouredfrom theburningcrops.