Columbia University [Man holding a bright light.]
Columbia University [Person holding a bright light.]
Columbia University [Professor working with bright light.]
Columbia University [Man holding a large box.]
Columbia University [Man pouring a solution over a fire.]
Columbia University [Science experiment.]
Columbia University [Man performing a science experiment.]
Columbia University [Professor pouring a solution over burning paper.]
Columbia University [Columbia University pennant.]
Columbia University [Columbia University gate.]