Close up shot of grass growing on sand dunes with sea waves along seaside in the background on a bright sunny day

close up close grass grass growing sand dunes sand sand dune seaside sea shore waves dunes dune 4k sea water background beach beach background beautiful blue closeup coast coastal coastline dune grass dune grasses environment green holiday landscape nature ocean outdoors sandy beach sea sea grass shore sky sunny tourism travel vacation wave white wind sunlight atlantic ocean blue sky horizon beachside