英文關鍵字
animals
attraction
bright
cave
century
cristals
europe
landmark
lights
limestone
minerals
move
natural
postojna
stalactites
stalagniti
tourist
train
underground
英文關鍵字
animals
attraction
bright
cave
century
cristals
europe
landmark
lights
limestone
minerals
move
natural
postojna
stalactites
stalagniti
tourist
train
underground