英文關鍵字
adventure
animal
arctic
background
bear
beautiful
climate
cold
cub
global
ice
mammal
mountain
nature
north
northern
ocean
polar
pole
russia
sea
snow
travel
warming
water
white
wild
wildlife
winter
英文關鍵字
adventure
animal
arctic
background
bear
beautiful
climate
cold
cub
global
ice
mammal
mountain
nature
north
northern
ocean
polar
pole
russia
sea
snow
travel
warming
water
white
wild
wildlife
winter