英文關鍵字
active
activity
asphalt
bikeway
boy
brother
child
covering
down
female
fun
girl
health
helmet
high
knee
lifestyle
luzhniki
male
marking
moscow
move
one
outdoor
outside
park
people
person
pink
recreation
rest
ride
roller
rollerskating
russia
safe
safety
sister
skate
slope
sport
sporting
summer
teen
turn
two
wearing
young
zigzag