spiral stairway abstract swirl hypnotising perspective. view downstairs to infinity circular stairs glowing in yellow light

swirl stairs abstract architecture background staircase spiral circular balustrade black building construction details element indoors interior light perspective railing retro shape stairsteps stairway view vintage structure downstairs hypnosis geometric curve round circle step arch triumphal inside upstairs tower stone metal old infinity climb travel ladder handrail stairwell elliptical fibonacci form