blue clouds coast coastline horizon island line nature ocean peace quality rocks saavem sea sky water boulder canada danger hazard natural pacific rock treacherous treachery Vancouver Island berth boat floating harbour jetties Jetty mooring pontoon beach colors colours dune-flora dunes flora grass grasses green greenery growing growth levels low tide ocean edge ocean waterline plants receded receding receding tide rough salt-resistant sand sand-dunes Sandbar scrub tidal tides vegetation waterline andersen Copenhagen Denmark fairytale H.C. HC little mermaid Nyberg sun sunrise the black cloud cumulus landscape marine rain raining scape power tide wave waves