英文關鍵字
background
blue
drive
erupt
erupting
eruption
firehole
flowing
geothermal
geyser
hopeful
hot
lake
landscape
mist
national
nature
outdoor
park
scenic
spray
steam
thermal
tourism
travel
water
yellowstone
young
英文關鍵字
background
blue
drive
erupt
erupting
eruption
firehole
flowing
geothermal
geyser
hopeful
hot
lake
landscape
mist
national
nature
outdoor
park
scenic
spray
steam
thermal
tourism
travel
water
yellowstone
young