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 background boat-pens boats buildings distant harbor harbour Haze hazy Hong-Kong marina masts moored moorings motor-boats mountainous mountains navigation outdoor-sports outdoors pastime penned pens popular recreation sails sea secure ships sight-seeing sport success tethered tied-up transportation travel vessels views water watercraft waves wealth yacht club yachts