Breakwater tubes used on beach to counter coastal erosion

breakwater tubes breakwater geotube vietnamese beach coastal erosion erosion pollution marine debris marine trash polluted beach polluted vietnam human waste contamination garbage no littering polluting the ocean environmental disaster environmental crisis reduce reuse recycle seaside coast coastal shore seashore ocean plastic recycling litter dirty disposed eyesore sea irresponsible waste responsibility rubbish no people nobody drone aerial tubes solution smart idea problem solving