英文關鍵字
active
and
angle
arctic
attraction
blue
boiling
bright
bubbles
called
colors
crater
day
emission
eruption
explosion
extreme
force
formation
gas
geothermal
geyser
holiday
hot
hverarond
hverir
iceland
icelandic
island
isolation
journey
lake
landscape
lava
mountain
mud
myvatn
nature
near
outdoor
polar
remote
sky
smell
smoke
soil
spring
steaming
stink
sulfide
sulfur
sunny
thermal
tourist
tranquil
travel
vacation
vapor
volcanic
volcano
wide
zones