Remember the green building from yesterday? Here it is again with a different perspective.
Flat vs. Space
One of the main objectives of Plein Air painters is to show depth and dimension; to represent the space of the landscape. Much of what is seen as modern art is based on ideas from the early 20th century in which this attempt to portray space was questioned. Piet Mondrian created some extreme examples of this.
Most of these debates go away with photography because you don’t have to create and the illusion of reality for the viewer, they already believe it. The challenge for a photographer is to create an abstract image in spite of reality.