boat harbour mast navigation navy rig sail sea ship tackle travel vessel yacht coastline fiord island light lighthouse sailing sign transport water blue cistern container escalate iron oil receptacle sky spiral stairs step tank walking cargo china junk river tradition traditional transportation Yangtze box-like crew cruise-liner cruise-ship decks entertainment equipment exotic-adventure exterior families features growing-demand hawsers holidaymakers huge-ocean-going-vessel hydrodynamic journey leisure leisurely-travel luxury machinery moored mooring passengers port preparation preparing retirees romantic-getaways stern tourism tourists winding-drums dredge dredger horizon line ocean tidal tide waves anchor bow chain dock dry dock haven holes hull mainstay prow cycle jet jet ski machine ride shadow shape silhouette ski skier sport vehicle watercraft aft catch fish fishermen fishing gear nets Newport oregon trawler boating cruiser marine motor navigate shipping speed yachts