Because the volcano is to swim in by itself, the mobile phone is not convenient to carry, there is only one picture. The volcanic pool is not deep, the yacht cannot enter, the cool sea water will be separated here, swimming in, the more you swim, the warmer you swim, there are volcanic rocks everywhere, there are names left by tourists from all over the volcanic rock, the name is written by the sulfur unique on the volcano. Yellow yellow, everywhere, very conspicuous. Recommended index