Avery Hall here at Columbia University was the site of the Institute for Advanced Theoretical Research where Sigourney Weaver as Dana Barrett goes to meet the Ghostbusters.
Description
Bill Murray, Dan Aykroyd, Harold Ramis, and Ernie Hudson face the viewer. They are armed with slime throwing weapons resembling guns, with large tanks on their back. Behind them is a large logo of a "no ghosts" sign holding up two fingers. The logo "Ghostbusters II" is printed beneath them.