the buoy used to go to the sea by people in the islands of kien luong district kien giang province vietnam

water sea reflection iron rock wave shore wood vehicle ice river animal wall coast wildlife pond sand asphalt buoy used people islands kien luong district giang province vietnam buoys ships navigate sail safely place mark safe channel lake harbour dangerous rocks items clear shipwreck pipelines swimming areas buoy sea help rescue aid water survival lifebuoy sos vector security marine protection save object safe ocean safety red emergency swim saver blue ship risk protect isolated support equipment