boulder coast coastline distance distant island islands isthmus land landscape Maddalena mediterranean natural nature pink rock rocky rough rugged Sardinia sea shore shoreline spit view bank bay beach cloud Great Britain plant sky Swansea terrain The Mumbles vegetation wales water waves welsh landmark lighthouse low tide tourism tourists blue gray grey hills homes houses Lofoten Islands mountains northern norway norwegian ocean peaks remote settlement town village aquamarine forest Maddalena Islands ripple scrub seascape summer wave wood energetic energy fierce inlet powerful strong architecture board bridge castle cruz elements eu fort galicia garden long medieval plank rocks Santa Spain tree trees Alca torda beak bird black cliff Pembrokeshire razorbill rest Skomer united kingdom white