access accessibility angles architectural architecture banister between-floors craftsmanship descending down handrail inside interior perspectives staircase stairs steps tiled tiles construction fire exit flight of winding stairs grate grated helical metal security shape shapes spiral stair wentletrap a challenge business downstairs elements facade fit fitness glass reflection stairway stone structure structures success training upstairs upwards way to go window cascade circulate cool falls floor flow flowing fountain fresh grades ranges rush slump splash water wet empty house modern move to the top stairrail well baluster balusters balustrade moulded-shaft polished skilled stained turn turning wood wooden woodwork ancient brown building checkered cladding columns decoration decorative Greek historic massive mediterranean old ornamental ornaments pastel serrated stones stucco wall