Why was perspective in art ignored during the dark and middle ages

How does viewing byzantine representational art as icons/windows change the interpretations we give them?

Although many musicians participated in the bebop revolution, and history has undoubtedly forgotten many who were in the trenches of the harlem jam sessions, it is clear that the most important and influential architects of bebop were and

What is the main element that sets western art criticism apart from that of the rest of the world