英文關鍵字
america
ancient
bark
big
branch
california
conservation
destination
ecosystem
environment
evergreen
famous
forest
francisco
giant
grove
growth
hiker
huge
landmark
landscape
majestic
massive
muir
national
natural
nature
north
old
outdoors
park
pine
preservation
protected
redwood
san
scenic
sequoia
stability
tall
timber
time
tourism
tourist
travel
tree
trees
trunk
usa
vertical
wilderness
wood
woods