March 1, 2010 - Sabo channel at Haramatsu River with tubular grid dam (slit dam type), for defense and protection against mudflows, with Sakurajima volcano in background, Japan

japan kagoshima prefecture kyushu sabo dam sakurajima active volcano barricade barrier built structure channel color image countryside dam day defense engineering geography geology horizontal landform landscape memorial monument mountain mountain peaks mountain range no people outdoors passage photography physical geography protection reservoir rock face rock formation safety spillway stone stratovolcano structure volcanic volcanic landscape volcano wall