Alright-y...

First of all, this reminded me of Escher even before I read the DD description. The curving form of something that would normally be straight makes it lmost surreal. I love how the curve is emphasized by the banister.

I also love the contrast betwee the metal railing, the mosaic floors, the smooth steps of the stairs and the clean white plaster of that arch. And yet, in spite of the contrast, it fits together so well...

This is architecturally and aesthetically a very beautiful shot, I'm utterly amazed. Usually in a critique I focus 50/50 on what I like and what should be improved, but I see no room for improvement here. It's perfect as it is.

Michael, this shot defentily carries a long term motivation to look at! It is simply not possible to get tired of looking at this capture, as it has so many different patterns - all tiny and detailed!

Furthermore I love the whole composition which is following a wave form - the soft roundings of the steps are being prolonged by the also round entrence, giving this picture a female attitude.
And I also have the association of the sign, standing for the endless number - an eight, which is lying on its side.
The impression of an endless iteration is certainly forced by the second level having the exeact shape of the level above.

Looking at this shot, I feel strongly reminded of Escher´s work, which follows the same rules and has a similar toning.
The grey scale is exellent.

What can I say? I love it.