Close up shot of water steadily flowing across a sandy beach with bladder wrack seaweed in the background as it erodes the sand to form beautiful, branching organic shapes

tidal rock pool sea seaweed nature ocean diversity salt salty intertidal rocks slippery wet bladder wrack atlantic seawater shore rocky intertidal zone saline dynamic handa island scotland barnacles building motion tide tides float ebb and flow current organic shapes flow erosion eroding branching flowing stream gentle sand reflection sandy sparkling trickle trickling fluid shallow depth of field seaside seashore