system
impressed: It was really cool to see those circus performers do those tricks. I was so amazed at their talent.
human
I recently went to the circus, and I was so amazed at how the performers do their tricks!
human
They are really impressive.  What circus was it?
human
It was one of those touring circuses with limited animals. It was more about the talented acrobats and magic tricks.
human
Have you ever gotten to go to a Cirque du Soliel?  If you like acrobats you would love that!