bay big canada coast dinghy enormous huge leisure line little series ship shipping shore size small summer tanker tiny traffic vancouver view water yacht aquamarine blue boulder energetic energy fierce inlet island landscape Maddalena Islands natural nature powerful rock rocky Sardinia sea strong wave acceptable advice advising allocated allocation appropriate-behavior appropriate-behaviour approved communicating communication directing direction directional indication indicator letter lettering off-road parking parking-bay public pullover roadside sign signs symbol symbols above aerial air altitude conifers forest green height high ocean pacific trees beach isthmus cliff coast path coastline Cornish cornwall cove England english footpath Great Britain path sand surf waves cliffs hill low tide river sandy sheltered everglades flats gulf Gulf of Mexico mangrove mangroves Mud mud flats salt water saltwater sea weed seaweed silt tide