abstract alone background beautiful bird blue calm clouds creation distance graphic horizon image lake lonely marine moisture nature ocean peace peaceful reflection ripples river scenery sea serenity silhouette skies sky summer vector water water resources white above water Ears eye head herbivore herbivorous hide hippo hippopotami hippopotamus hippopotamus amphibius light mammal nostrils observant observing pool reflections rippling river horse semi-submerged shadows shiny skin submerged sunlight sunshine surface wet animal birds depth duck ducks feathers plumage pond shadow stones stream swim swimming tidal wave waves wild wings barge boat colorful colourful England english fender Great Britain Guildford hobby holiday leisure moored narrowboat pleasure Surrey towpath transport travel trees vacation boulders current drop fall fierce force mountain natural norway norwegian plateau power raging roar rocks snow snow melt steep surge waterfall canal city crowd downtown Flags fleet folk hamburg people place public rereation river Alster scene sitting enjoy steps sunday buisness tourists town urban watching boardwalk bridge cabin float floathome floating heritage house houseboat hut nautical quaint riverside rowboat rustic simple stilts sunk sunken village walkway waterfront nest nesting overgrown placid quiet Salix secluded spring Sussex swan tranquil tree willow countryside disused estuary exercise footpath green line Mawddach path railway refreshing track trail view wales walk welsh banks beauty distant farm fields flow harvest hay homes houses landscape Lofoten Islands mountains plants