attack
bark
bark beetle
beetle
blue
branch
change
climate
climate change
cloud
coniferous tree
czech
damage
dead
dead tree
death
destroy
drought
dry
dying
ecosystem
environment
europe
forest
global
global warming
grow
growth
infestation
land
landscape
leaf
mountain
natural
nature
outdoor
park
plant
sky
spruce
spruce tree
tree
trunk
wood