boatwreck bow frozen going under ice sea ship shipwreck sinking sunk wreck beneath beneath the water buried burying your head duck ducking ducking your head immersed underwater Catamaran catamarans control crew deck direction enjoyment equipment fun guard rails lines men multihulled multihulls nylon outdoor-sport outdoors passengers people pleasure craft rails recreation recreational sailing relaxing rigging rigging equipment rope ropes safety sail sailing sea-going yacht secure under-sail water waves women yacht yachting boat boating cat city city-skyline cityscape dock docked guard-rails luxurious luxury moored mooring motorised parallel-hulls pleasure-craft power powerful recreational-sailing river river-mooring sea-going-vessel security speed wealth construction construction machinery construction people construction site crane heavy duty heavy objects HSE lifting machines mobile crane operating people at work safety precaution supervising working