I have visited the exhibition in the exhibition are various knowledge in English and within it there is a show playing on many different subjects in English, too.
I have visited the exhibition At the exhibition, it is the knowledge of the English language. And the event was a live show is performing in many stories in English as well.
I have visited the exhibition In it there is various exhibition knowledge services in English. And in it there is a live show show a play in a lot of things in English.