英文關鍵字
one
person
young
adult
woman
female
caucasian
people
real
baggage
airport
travel
transport
summer
holiday
barbed
wire
barrier
block
border
closed
country
danger
dangerous
sharp
fence
politics
restriction
restrict
symbol
design
concept
idea
change
moving
coronavirus
covid
19
covid19
pandemic
disease
virus
health
hazard
warning
alert
epidemic
care
animation
digital
montage
digitally
generated