Columbia University [Man holding a large box.]
Columbia University [Man holding a bright light.]
Columbia University [Man smoking.]
Columbia University [Man carrying a box down stairs.]
Columbia University [Man pouring a solution over a fire.]
Columbia University [Woman knitting, man hold yarn and talks with her.]
Columbia University [Man performing a science experiment.]
Columbia University [Person holding a bright light.]
Columbia University [Columbia University pennant.]
Columbia University [Columbia University gate.]
Columbia University [Man in an industrial room.]
Columbia University [Man speaking at a dinner.]
Columbia University [Columbia gates.]
Columbia University [Professor teaching a class.]