英文關鍵字
city
cold
commuter
contemplating
depressed
lifestyle
lonely
male
man
metro
passenger
person
portrait
public
sad
sitting
station
subway
technology
thinking
thought
time
tourist
train
transport
transportation
travel
trip
underground
urban
英文關鍵字
city
cold
commuter
contemplating
depressed
lifestyle
lonely
male
man
metro
passenger
person
portrait
public
sad
sitting
station
subway
technology
thinking
thought
time
tourist
train
transport
transportation
travel
trip
underground
urban