英文關鍵字
adventure
asia
boat
cave
cavern
dark
electricity
explore
gloomy
heritage
karst
lamp
lantern
mountain
nature
river
rock
sail
sailboat
stone
tour
tourism
travel
trip
unesco
vacation
vietnam
water
英文關鍵字
adventure
asia
boat
cave
cavern
dark
electricity
explore
gloomy
heritage
karst
lamp
lantern
mountain
nature
river
rock
sail
sailboat
stone
tour
tourism
travel
trip
unesco
vacation
vietnam
water