Centennial classroom by Ruby Wallau February 24, 2021 Share Facebook LinkedIn Twitter Sophia Fagone, who studies civil engineering, studies how light hits a model building for an environmental systems class on Centennial Common. Photo by Ruby Wallau/Northeastern University Sophia Fagone, who studies civil engineering, studies how light hits a model building for an environmental systems class on Centennial Common. Photo by Ruby Wallau/Northeastern University