abstract appearance background brown colored coloring colors coloured colouring colours contours contrast contrasts cracks fissures flaws grit gritty layered layers levels light lines natural ribbons rock rock-face rockface rocky rough rugged sandstone sandy shade shades of color shades of colour shadows shape shaped shapes stone strata stratum sunlight sunny sunshine surface surfaces texture textured textures veins wallpaper arches architecture brick colonnade elements empty madrid palace Palacio Real passageway pillars space Spain spanish baked baked-potato beans beetroot broadbeans color colour cooked cooked-food cooked-meal Dinner dinner-plate displayed eating edible fava-beans flavored flavors flavoured flavours food mashed mashed-beetroot meal meat mixed mixture multicolored-meal multicoloured-meal potato sausages savory savoury tahini tahini-sauce taste tasty variety vegetables attract-prey attracted attraction carnivore carnivorous carnivorous-plants clumps clusters cover devour digest digested digesting display distinctive edge edges enzymes flora flowers funnel herbaceous insect-trap insects nectar-like-secretions nutrient-source nutrients operculum passive-trap perennials pitcher-plants pitchers pitfall-traps plants prey proteases rims slippery species trap unusual variations vegetation