anchored climb climbing danger dangerous dangers grip gripping Harness height high hoisted hold holding immobilised immobilized lines maintenance maritime mast plank repairs rigger rigging risk risks risky rope ropes safety safety-equipment safety-harness sailing seat seated seaworthy secured securing security ship stop stopped suspend suspended tall-ship tough transport vessel work workman adherence adhering aerial-roots architectural-elements backgrounds barrier boundary bricks climber climbing-vine clinging colors colours cover coverage creeper decorative distinctive evergreen foliage ivy light ornamental peaceful plants rocks shade shadows stone-wall stones stonework strength strong sturdy sunlight sunshine surface surfaces tenacious texture textures trees variations variegated vigorous vines wall walled walls