Peter Eisenman's Berlin/Holocaust memorial Light and Shadow. I like the way the structure of the building creates strong impressions of light and dark. Also the juxtaposition between the natural and man-made forces interests me.
The halls of this building represent contrast. This hall is dark to begin with. And the windows provide the light and makes this photo unique. The other element that makes this different is that it was taken in black and white.
Post Repetition of Form This image gives a sense of unity because of the actual wire pattern is a unified pattern. The added shadow cast by the wire adds an accenting unity to the entire piece, so it seems chaotic at first, but is actually unified.