I had a few hours before a meeting in Ollantaytambo, so I snuck in the exit to the ruins and took some photos.  It seems that the B+W photos from my camera need some exposure and contrast work on Photoshop, but here are the raw (but not .RAW) images:

Some of the stones were very Noguchi -esque, such as the one in the background. Perhaps the Inca were Pre-Noguchian

 

And the sky over Ollantaytambo: