Very cool. I'm dating myself here, but some of you may remember the film "Power of 10" from high school?.... back when we had AV geeks that would wheel the projector or (gasp) slide projector into the room?
Pretty cool tech for 1977 and long before tools like Google Earth were in the hands of mere civilians:
Powers of Ten. Based on the film by Charles and Ray Eames. An Eames Office Website