circus uses holograms of animals

[Catherine]

Animals in the circus have been a real issue lately. People no longer want to see animal accts.
A circus in Germany has solved the problem using holograms of animals.

https://www.arabnews.com/node/2371176/world

They have the excitement of a circus with animals, but none of the problems.
I am sure that we could use holograms for many things that normally use animals.