英文關鍵字
america
attraction
bridge
clouds
cloudy
columbia
dawn
district
illumination
lapse
lights
lincoln
memorial
morning
overcast
potomac
river
states
time
tourist
traffic
united
usa
washington
英文關鍵字
america
attraction
bridge
clouds
cloudy
columbia
dawn
district
illumination
lapse
lights
lincoln
memorial
morning
overcast
potomac
river
states
time
tourist
traffic
united
usa
washington