Nobody looks at the exhibits
The puzzle
In a museum, almost every visitor is looking at the floor instead of the exhibits.
They still leave delighted. Why?
See the answer (spoiler)
Spoilers from here on. If you want to work it out yourself, leave this folded and move on.
Answer
The exhibit is projected onto the floor.
Step on it and the image reacts and changes, so everyone is watching the floor because the floor is the show.
