Corner photo frames. (Hummm, neat idea, but uncertain on photos wrapping around the corner. The frames could meet up on the edge, but think the frames still might be best if they met in the corner but that each wall had its own photo frame.
In a hallway, Martha has an interesting take on near reflective symmetry – here the photographs share black frames in different sizes. Despite their variation in size, the balance is achieved by the continual rotation from large to small in reverse and the fact the frames are positioned off of one straight center line.