beach coast coastline color colored colors colour coloured colours layers levels ocean pebbles rocks rocky rough sand sea seashore seaside shade shadows shapes shore shoreline Sizes stones stony sunlight sunshine variety water beautiful beauty blue boulder clear cool granite holiday inviting islands lagoon Maddalena mediterranean natural nature refreshing ripple rock Sardinia summer vacation wave ship Alcudia Alcúdia Balearic Islands break conifers eroded erosion fence forest fun island islet leisure little majorca Mallorca mountain pines pleasure rugged sheltered small Spain tide trees waves bleached branch coastal contrast debris driftwood evening high tide log low tide scene simple stick stone sun tree weathered white wood