These photos were taken in the business park opposite the Estadio Santiago Bernabéu, home to Real Madrid. The first in particular changes from lines to patterns almost unintentionally – the strange distortions are not added later but presumably a consequence of imperfections in the mirrored glass production process; maybe it is intentional:
(click on the images to enlarge)
northumbrian : light 
Beautiful!!!!!
Many thanks and glad you stopped by and took the time to comment – much appreciated.
Great photos 🙂
I like your serie, Robin!
Many thanks Malin – I don’t think my images stick in the mind like yours though – “Changes” has been with me all day.
Oh…
Awesome lines and patterns!
Many thanks Amy, much appreciated.
Lines it is!! Cool post 😀
Many thanks
Wonderful set of shots….kinky lines 🙂
Thanks Seonaid – very kinky 🙂
Great lines. Looking forward to the Glens and Islands photos. No pressure. MM 😎
Thanks Mick – no pressure at all 🙂
this is so beautiful 🙂
Thanks Joshi
Great images for this challenge.. very striking 🙂
Many thanks and thanks for stopping by.
nice work!
Many thanks Graham – apologies for the slow response, I have been away these last few days.
Great contribution!!
have a perfect Sunday evening,
Vincent
Thanks Vincent and many thanks for stopping by – I have been away, hence the slow reponse.
Perfect shots for the challenge!
As soon as I saw this challenge I immediately thought of these photos. Many thanks for taking the time to comment.
Makes me feel quite giddy! (as if I need any encouragement 🙂 )
I have noticed that If you scroll up and down quickly it can send you quite squiffy 🙂