英文關鍵字
animal
bedded
bull
cold
day
daylight
down
elk
fur
ice
national
outdoors
park
profile
rack
sits
snow
snowing
wild
wildlife
winter
wyoming
yellowstone
英文關鍵字
animal
bedded
bull
cold
day
daylight
down
elk
fur
ice
national
outdoors
park
profile
rack
sits
snow
snowing
wild
wildlife
winter
wyoming
yellowstone