ancient background bouldering cobble cobbled cobblestone color colored colorful colors colour coloured colourful colours massive multicolored multicoloured old rock rural solid stone stones structure structures texture textures tile tiles wall boulder boulders bush eroded erosion form formation granite island islands land landscape Maddalena mediterranean natural nature odd outcrop pink rocky rough rugged Sardinia scrub shrub strange unusual weird worn amethyst crystal crystalline decorative esoteric gem glitter Mineral ore pastel purple rocks shiny translucent algae beach cliff coastline Great Britain hillside Pembrokeshire sand sea seaweed shore united kingdom view wales water welsh blue coastal danger edge summer surf wild calm canada canoe canoeists clear fun lake leisure moraine mountains paddle peaceful pleasure Rockies sport tranquil chemical dock harbour industrial industry Jetty machinery manufacture mountain norway norwegian ocean process produce production quay refinery silo wharf Body of water Ecoregion Fluvial landforms of streams highland milford sound Natural landscape new zealand vegetation water resources waterfall Balearic Islands dangerous harsh majorca Spain spanish spray spume waves white Athabasca current deluge drop falls fierce flow plunge pour river Rocky Mountains torrent turmoil