Columbia University [Students talking on a staircase.]
Columbia University [Students talking on a stairway.]
Columbia University [Students talking.]
Columbia University [Students in a bar.]
Columbia University [Students talking in a stairway.]
Columbia University [Man watching a couple talking.]
Columbia University [Students in a dining hall.]
Columbia University [Medical students attending a lecture.]
Columbia University [Professor talking to a student.]
Columbia University [Students playing cards.]
Columbia University [Students studying.]
Columbia University [Students in a bar,]