Какое животное может работать в цирке,а какое животное не может работать

It seems to me that it is quite possible to help the poor animals in the circus, to make their lives easier. And the fact that this life is terrible, I understood just from the film. To begin with, I think you need to change your attitude to the circus, because this place is very popular among children, and adults too. And since it is popular, it brings a considerable profit. Unfortunately, in our society money often decides everything, but after all kindness, mercy, sympathy is more important! It is necessary to make people see the reverse side of the circus with animals, as I saw it, after watching the movie