Answer:
Act 1 in 1911 we find ourselves at An auction where some stuff the Paris Opera house is being addiction one of the bias is the age of 17 year old girl become a day when the famous chandraleela is exception the he explained that it is connected to the story of the Phantom of the Opera
It was invented by Alhazen so I don't know if the same applies.
Art is considered many things...… from music to paintings. This is what everyone knows art as. But really art is what you end up with when your struck with an amazing idea or you see things from a different perspective and notice that it makes something else. The reason why the question "what is art" cannot be answered is because we don't really know what art is ourselves, our definition of art expands everyday when something new is noticed. I'm only in high school so maybe my answer is stupid and doesn't really help..... or maybe it will help. But seeing that no one else has answered your question, I thought I'd give my opinion. Hope this helps a little :)