英文關鍵字
ancient
beijing
china
daylight
defence
defense
dry
famous
great
landmark
location
mountains
old
peking
place
summer
sunny
tourists
travel
walking
wall
英文關鍵字
ancient
beijing
china
daylight
defence
defense
dry
famous
great
landmark
location
mountains
old
peking
place
summer
sunny
tourists
travel
walking
wall