英文關鍵字
20s
active
bicycle
bike
caucasian
city
couple
cycle
cycling
ethnicity
exercising
female
fit
happy
healthy
helmet
male
man
medium
men
outdoors
people
person
riding
road
safety
shot
smiling
steadicam
steadycam
street
talking
together
twenties
two
urban
woman
women
years
young