Columbia University [Students in a dining hall.]

Columbia University [Students in a dining hall.]

Columbia University [Students in a dining hall.]

Columbia University [Students in a dining hall.]

Columbia University [Students in a bar,]

Columbia University [Students in a bar.]

Columbia University [Students in a bar.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a bar.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students in a cafe or cafeteria.]

Columbia University [Students studying.]

Columbia University [Students talking on a staircase.]