英文關鍵字
activity
aqua
attraction
bath
beauty
breakout
dangerous
eggs
emissions
energy
eruption
explosion
force
formation
geological
geology
geothermal
geothermic
geyser
geysir
gradient
heat
hill
hot
hydrogen
hydrothermal
landscape
magma
nature
park
pool
pools
recreation
rotten
smell
smoke
spa
spectacular
spray
spring
springs
steam
steaming
sulphide
thermal
tourist
touristic
vapor
vapour
volcanic
volcanism
volcano
water