bathing bay baywatch beach coast flag guard life Nyberg ocean sea security summer swimming tower truck wacth blue buildings city clouds color dusk evening lights pink San Fernando ships sky town Trinidad twilight cloud coastline cumbria England english estuary Great Britain green landscape Morecambe Bay nature shore view water bivalve canada horseshoe Jetty low mollusc pier piles seashell tide timber vancouver wooden Body of water coastal and oceanic landforms natural environment Natural landscape bush euphorbia Greece Greek hill mediterranean mountain shrub village wild flats Lofoten Islands mountains Mud norway norwegian rural sand seaweed