algae cliff coast disgusting face Great Britain green natural nature plant revolting rock seaweed Slime slimy united kingdom wales welsh beach bela blue brasil fish free litoral mar ocean place praia salt summer sun travel trip vacation wave wet wonderful Armeria dune ecology flora flowers habitat landscape sand sea shore soft Spain water wild aquatic bivalves canada life line low marine mark Molluscs pacific starfish tide Vancouver Island fleshy fractured leaf leaves navelwort Umbilicus rupestris crop England farm field grass meadow peace plain rural South Downs spring Sussex view woodland background Birling Gap chalk cracked cream english evening flints stone texture white aquamarine boat boulder island lap Maddalena Islands Sardinia yacht channel dawn distance distant light pattern ridge rill tidal