cement block breakwaters of coastal roads, highway seawalls

coast sea shore rock beach sand ocean walkway terrain wall cliff vacation cape bay wood tower water geology cement block breakwaters coastal roads highway seawalls architectural style bay blue building exterior building features cloud concrete daytime harbor horizontal background beach beautiful building architecture china coastline construction destination horizon lacing light nature non-urban scenery ocean outdoor photography pier protection retaining wall rock safety sand sea seascape sky solid stone summer sun theme topography traditional travel tropical climate undulating unmanned wall water waterside areas waves