英文關鍵字
active
aetna
burst
caldera
crater
danger
dangerous
dark
disaster
during
edge
emission
erupt
eruption
etna
etnea
explosion
fire
flow
geology
hazardous
heat
hot
italy
landscape
lava
lave
magma
mountain
movement
natural
night
red
rock
sicily
smoke
spark
stone
volcan
volcanic
volcanism
volcano
vulcan
yellow