In one point perspective, whats the line called that separates the ground and the sky

The gregorian chant was a major cultural milestone in the middle ages. it was one of the first codified forms of music meant to be played as written, where previously it was difficult to mass-produce and disseminate any music. what's more, these chants were also some of the first examples of musical notation: the notes and bars of today's music sheets are a reflection of centuries of evolution beginning with these chants. it became official throughout the entirety of the catholic church, meaning that nearly all of europe followed this musical notation and styling.

Answerglass

Ithink it is more of an artistic statement, because clothing featured in these photographs and magazines is so extravagant that most people would not be even tempted to wear it, let along purchase it. 

The  ancient roman painting scene from the painting the  odyssey, demonstrates a union of realism and also surrealism. the famous painting was done by the artist homer.