Thank you, Ullyses / Herbert, for your 'Like' to this image. I am sorry that I did not discover your action before, so I am a bit late to thank you for it. This quite interresting pattern in the photo is of one of the inside-walls of the Lobby inside the Opera-House in Oslo / Norway.
See also here:
[url]https://foto.no/i/1058817
See also here:
[url]https://foto.no/i/1058817