stairway lights bulb for illumination as safety protection stairs architecture interior of contemporary, modern house

abstract apartment architecture art asphalt background building bulb city concrete construction contemporary corner dark darkness decor decoration design empty estate floor flooring hall handrail home hotel house illumination indoor infrastructure interior iron ladder lane level light lighting lights luxury mansion minimal modern night path pattern protection red road room safety screenshot stair staircase stairs stairway step street structure style texture transport upstairs urban vehicle view wall wood wooden