英文關鍵字
travelator
moving
motion
indoors
corridor
long
transportation
sidewalk
inside
action
glasses
activity
equipment
view
light
gray
background
line
passengers
people
subway
automatic
urban
row
day
pedestrian
airport
walkway
travel
arrival
英文關鍵字
travelator
moving
motion
indoors
corridor
long
transportation
sidewalk
inside
action
glasses
activity
equipment
view
light
gray
background
line
passengers
people
subway
automatic
urban
row
day
pedestrian
airport
walkway
travel
arrival