How does art travel these days? What effects might this have on modern art?

from a chemical point of view, time really does change art. Mediums darken, some colours fade and the support material adjusts. The biggest change is that we the viewer are placing on the art piece. Sculpture may be physically worn away by our caressing, leaving the intended platina polished back to a different colour.

Art influences society by changing opinions, instilling values and translating experiences across space and time. Research has shown art affects the fundamental sense of self. Painting, sculpture, music, literature and the other arts are often considered to be the repository of a society's collective memory.

the answer is

he used natural lighting to create convincing space and render solid forms.