beautiful staircase in art nouveau style

08222017 abstract ancient antique architecturalfeature architecturalstyles architecture art artdeco artnouveau balustrade bannister branches builtstructure castle circle city curve design diminishingperspective elegance entrance fine floor france high house indoors iron leaves magnificent majestic manmadestructure marble metal movingup museum new old palace palais paris pattern personalperspective petit petitpalais pure railing royal spinning spiral stairs steel stepsandstaircases stone style swirl texture turning