beach blue cathedral cathedrals clouds erode erosion ocean reflect reflection rock rocks saavem sea sky stratification stratified stratum water white coast Dorset England english gentle Great Britain natural environment outgoing retreating sand shore Studland tide wave barge boat Burrard canada cargo cloud coastline container cumulus freight green hill inlet island mountain Tug anthropoids arthropod barnacle barnacles Crustacean crustaceans mollusk mollusks mussel mussels salt shell shoreline baffle buffer construction corrosion ferry footbridge gantry giant girder huge industrial pillar protect strong Vancouver Island catch fish fishing Greece Greek harbor harbour net nets sailor seaman seamen trawler vessel.ship boulders Lofoten Islands mountains natural nature norway norwegian seagulls stones wild horizon waves busy choppy distance distant land pacific islands