Piedra Pomez | Pumice rock formations at Piedra Pomez. | Altiplano (
Argentina
)
Filename: AR0914SM0742_piedra-pomez-el-penon.jpg (Sue Morkill)
![AR0914SM0742_piedra-pomez-el-penon.jpg [© Last Frontiers Ltd]](/imagestore/argentina/AR0914SM0742_piedra-pomez-el-penon.jpg "Pumice rock formations at Piedra Pomez.")