blue bridges city clyde danger fence float flotation glasgow life lifebelt orange path preserve preserver rescue ring river salvation save swim urban walk walkway yellow ancient beard branch branches conservation creation environment environmental evergreen forest forestry glade green growth landscape lichen log moss mossy natural nature old old-growth planet preservation protect rainforest sticks tall thicket tree woods life belt Life Saver rope SOS dietary fiber fruit ingredient juicy nutritious pears preserves sweet dried figs texture engine lner mayflower Preserved railway steam train transport wandsford cucumbers food jars peppers pickles pickling vegetables vinegar dry fish seafood sun 0-6-0 austerity british District peak tank alert boat buoy captain certified drill drown drowning emergency evacuation ferry flashlight found guaranteed help lifeboat lifesaver light lost man overboard on board overboard red rescued restored safe safety sea seaworthy ship sink vessel water wave waves