In 1978, a group of students and researchers at MIT mounted a gyroscopic stabilizer with  16mm stop-frame cameras to the roof of a car to capture ground-level images of the streets of Aspen. The resulting footage was then compiled to correlate with a map of the city, creating a realistic 360-degree view of the whole town that people could navigate using a playback system that required laserdisc players, a computer, and a touch screen display. The project—sometimes referred to as an interactive movie map—acted as a type of surrogate travel system.