access accessibility angles architectural architecture baluster balusters balustrade banister between-floors craftsmanship descending down handrail inside interior moulded-shaft perspectives polished skilled stained staircase stairs steps turn turning wood wooden woodwork angled architectural-elements ceiling circular corner dark diffused-light flooring intricate light lighting limited monochrome patterned patterns reflections sepia shadowy shiny spiral spiral-staircase spiraling spiralling structure sturdy turns upstairs window wrought-iron gray grey silhouette a challenge aid angle backdrop background diagonal fit fitness guideline old age outdoors perspective stair stairrail stairway stone structures success training upwards way to go carpet carpeting modern painted walls white abstract empty escalator escalators floors height high levels metal move movement moving multi-level progress shopping-center shopping-centre step storeys transport transportation travel bedrock colors colours formation heritage historic Historic site kiln kilns landscape lime-kilns park patched patchwork repairs rock rock-work rocks rubble ruins shadows stone-steps stone-wall stone-work stones sunlight surfaced surfaces surfacing texture textured textures trees variations varied vegetation wall arch arched arches brown building building-complex china chinese Chinese-complex Christian-center Christian-centre cobbled covered driveway entrance Hong-Kong paved paving style Tao-Fong-Shan walled greyscale