angled angles architectural-elements ceiling circular corner dark diffused-light greyscale handrail inside interior intricate light lighting limited monochrome patterned patterns reflections shadowy shiny spiral spiral-staircase spiraling spiralling staircase stairs steps structure sturdy turning turns upstairs window wrought-iron gray grey appearance background brown caps color colour cream cut dry edible field-mushrooms fleshy folded folds food fresh fungi Gills large mushroom mushrooms quality quantity raw shape smooth soft stalk stem surface surfaces texture textures variations vegetable vegetables white wrinkled abstract bricks colorful colourful concrete Designs detailed detailing distinctive footpath grooves ground level path pattern pavement pavers paving paving-bricks rough shaped shapes stones stonework textured