英文關鍵字
snow
cloud
extreme
mountainbike
trail
rocky
day
bike
path
serpentine
downhill
lane
biking
race
tracking
winding
male
adrenaline
riding
snowy
track
ride
winter
mountain
bicycle
cold
active
aerial
road
mountainside
following
man
biker
view
drive
speed
cyclist
follow
cycle
snowdrifts
pathway
shot
mtb
rider
drone
cycling
offroad
gloomy