As a child I was at one the smaller #WorldsFairs, #Expo74 in #Spokane. My friend and occasional musical collaborator Rhonda was there too and wrote a song about it. We both were fascinated by a plaster bust of #ChiefSeattle that had a film of an actor projected onto it, resulting in a speaking 3D bust. He must have had his head clamped into a vise or something! Here's the song, "Expo 74" by our band #MightyShiny:

https://www.youtube.com/watch?v=KBU5cxsw7dM