石化した
explosion
catania
cloud
cone
cool
crater
dark
dense
effect
effusion
emission
erupt
eruption
etna
flow
geology
grey
hard
heat
island
italy
land
landscape
lava
magma
magmatic
mountain
movement
overwhelm
petrify
rock
sicily
smoke
snow
solid
solidification
solidify
stone
volcanic
volcanism
volcano
vulcan