abstract abundance abundant appearance backdrop background bright colored coloring colors coloured colouring colours contrast contrasting dark decorative display distinctive edges foliage garden garden-background green growth hardy leafy leaves light mature-leaves multi-colored Multi-Coloured ornamental plants shadows shrub sunlight sunshine texture textures underside variations variegated variety vegetation wallpaper angles building capping cleaning cover covered covering danger dangers ear protection edge exterior external height high high-pressure improvement maintenance pressure pressure-cleaning renovating renovation repairs restoration restoring risks risky roof roof-area roofing rooftop safety skies sky spray tiles tiling tools tough water wet work workman appearances arid barrel barrel-cactus Cacti cactus clumps clusters flora frilled frills garden-display garden-plants irregular perennials pointed protection ribbed ribbing ribs round shape shapes sharp short-spikes small-spines spikes spines spiny succulents surface surfaces unusual colorful colourful various tall art artistic arty black blended blue color colour decoration design detailed geometric geometrical gray grey image images interconnected intermeshed interwoven lines mat mosaic multicoloured patterns string string-like style tangles vibrancy vibrant white