英文關鍵字
ancient
balkan
bark
beautiful
beauty
beech
big
branch
bulgaria
central
deciduous
environment
europe
foliage
following
forest
from
green
growth
landscape
leaf
leaves
life
light
lush
magical
majestic
mature
moss
mysterious
natural
nature
nobody
old
pan
panning
panoramic
park
plant
power
powerful
protrudes
root
roots
shot
spring
strength
summer
tall
the
through
top
tree
treetop
trunk
upwards
vertical
where
wilderness
wood
woods