winding wood stairs in a blue and green toned colours

apartment architectural architecture barcelona below blue built business color concentric concepts construction curve dark design details diminishing dirty feature floor geometric growth hall high home house image imagery improvement indoors infinity inside interior ladders light lighthouse long luminosity narrow nobody obsolete old oldfashioned pattern paving perspective railing retro shape spinning spiral staircase stairs steps structure style swirl tall tiled toned tower tunnel turning upraise upside upstairs wall white winding wood woodwork