abstract algae background blue brown floats green haptera holdfast kelp lamina littoral marine nature ocean planktonic pools rock saavem sea sorus spore stipe texture thallus tidal water weed beach beaches beauty brine briny calm cloud clouds coast dark gray harmony natural ripples shadow shore sky sun wallpaper waterway weather wet channel coastline harbour haven hills homes houses island Jetty Lofoten Islands mountains northern norway norwegian passage peaks quay remote rocky rugged Stamsund white Armeria Cornish cornwall danger England english field flowers Great Britain meadow rocks seethe seething surf thrift tide waves wild cave caves Crete deserted golden Greece Greek holiday idyllic Nyberg summer sunny Theodori water sky wave bay cliff cove flow hillside incoming inlet plants racing sand sandy architecture beam breakwater defence defense gravel groyne horizon seaside shingle structure Sussex wood wooden bicycle bike boulders camping campsite cracked cycle extreme foolhardiness parked rest saddle stop tent tires transport tyres wheels cliffs sheltered spring access barrel cannon defend defensive entrance firarm guard guarded gun metal port stock stone walls