英文關鍵字
acores
azorean
azores
boil
caldeira
day
europe
european
furnas
geothermal
heat
hot
island
miguel
portugal
san
sao
smoke
spring
steam
volcanic
volcano
water
英文關鍵字
acores
azorean
azores
boil
caldeira
day
europe
european
furnas
geothermal
heat
hot
island
miguel
portugal
san
sao
smoke
spring
steam
volcanic
volcano
water