Brown fur seal basking in sun on dolos next to quay, close aerial arc

brown fur seal seal basking dolos quay aerial arc pier harbor new harbour wildlife sunbathing animal walker bay hermanus reinforced concrete breakwater overstrand maritime coastal engineering protected dolosse coastal management new harbor reinforced revetment overberg harbour protects revetments protection ocean sea artificial reef coast aerial drone south africa marine life sea life mammal wild outdoors aquatic fauna arctocephalus pusillus