英文關鍵字
air
autumn
belarus
coniferous
drone
ecosystem
environment
evergreen
forest
forestry
green
healthy
natural
pine
spruce
sunlight
tree
treetops
vegetation
view
wilderness
woodland
英文關鍵字
air
autumn
belarus
coniferous
drone
ecosystem
environment
evergreen
forest
forestry
green
healthy
natural
pine
spruce
sunlight
tree
treetops
vegetation
view
wilderness
woodland