airport
arrival
blur
business
busy
casual
climb
commuter
concourse
departure
destination
electric
escalator
hasty
hurry
indoors
jet
ladder
leave
motion
passengers
people
perspective
port
pylon
rushing
sidewalk
speed
staircase
stairs
stairway
station
steps
subway
tarmac
terminal
tourist
train
transit
transport
transportation
travel
traveler
trip
trolley
tunnel
urban
walking
walkway