Not necessarily. If the artist is trying to convey two extremes, then the maids need not be pure.
The color of the sky is due to refraction/diffusion of light.
The definition of you all depends on perspective.
As for ghost in Pompeii, depends on if you believe in ghosts and what defines a ghost. Are ghosts defined as being the person or an interpretation of a person? Are they a reflection of the atmosphere? From a religious standpoint (specifically Roman Catholic), it's based on a form of purity...those that aren't as pure as the lily might have to spend time in purgatory wandering around as ghosts.
Not necessarily. If the artist is trying to convey two extremes, then the maids need not be pure.
The color of the sky is due to refraction/diffusion of light.
The definition of you all depends on perspective.
As for ghost in Pompeii, depends on if you believe in ghosts and what defines a ghost. Are ghosts defined as being the person or an interpretation of a person? Are they a reflection of the atmosphere? From a religious standpoint (specifically Roman Catholic), it's based on a form of purity...those that aren't as pure as the lily might have to spend time in purgatory wandering around as ghosts.