This is very similar to another image in this challenge (maybe the same location?), but that one is in colour and I think it works better than this b/w image.
Triangles? I can't see any, doesn't fit the challenge sorry 1
no really, this is an amazing structure and a really impressive photo, the b/w works well but I would prefer the dark areas blacker. Also it appears slightly oversharpened, or maybe that's a resizing effect. Still, well done! 8
Lovely colour, subject and composition. My only tiny reservation is the loss of detail in the clouds, but that would be hard to avoid without some illicit photoshopping. Very nice indeed.
Cool shot I really like the framing job youve done on this. One thing that distracts me a little is the colour its not black and white but its sure not full colour either, I would have a look at enhancing the colour but otherwise well done. 7