Wooden staircase by Issay Weinfeld. Photo by Fernando Guerra.
I like the lit staircase idea, not these stairs though. I would have a spiral staircase. I love those! lol
FF House / Hernandez Silva Arquitectos
http://www.phomz.com/category/Led-Lights/ Basement stairway with LED light strip along railing
Snow Apartment by Penda
Lighting shop, commercial light 2BY4 | About Space