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
One reason to study sociology is simply because sociology is a fascinating and multifaceted discipline
Hope that this was helpful :)
I am almost positive the answer is light, but let me know if that is wrong