Mounds of pumice and volcanic ash mark its center, where the volcano remains.
Mounds of pumice and volcanic ash mark its center, where the volcano remains.
浮石和火山灰的土墩标志着它的中心，是火山的遗迹。
Mounds of pumice and volcanic ash mark its center, where the volcano remains.
浮石和火山灰的土墩标志着它的中心，是火山的遗迹。