英文關鍵字
leisure
activity
travel
people
outdoor
autumn
transport
hobby
healthy
fall
bridge
city
active
lifestyle
fitness
exercise
american
usa
bay
scenic
tourism
landmark
recreation
vacation
bicycle
bike
ride
cycle
cycling
adventure
outside
tourist
activities
biking
bicyclist
attraction
tour
sightseeing
cyclist
california
sporty
bicyclists
pedaling
cyclists
san francisco
Golden Gate Bridge