英文關鍵字
azorean
azores
boiling
caldeira
caldera
europe
famous
fumarole
furnas
geologic
geothermal
geyser
heat
hot
island
landmark
landscape
miguel
nature
park
pathway
pedestrian
portogallo
portugal
reserve
sao
scenery
scenic
seethe
smoke
spring
springs
steam
sulfur
thermal
tourism
tourist
trachytic
travel
underground
vacation
vapor
vent
view
volcanic
volcano
water