英文關鍵字
amazing
astonishing
atmosphere
background
baikal
bank
beach
bottom
breezy
clear
clouds
coast
coastline
cool
craggy
create
crisp
deepest
ecotourism
environmental
exotic
fresh
freshwater
gray
green
lake
landscape
nature
peace
protection
quiet
rare
recent
rock
russia
scale
shore
siberia
steep
stone
surface
transparent
trees
under
unique
unusual
water
wild
wildlife
wonderful