abstract
aged
anthill
ants
background
bare
bug
coarse
concepts
crawling
crumbled
dead tree
decay
design
destruction
dirty
distorted
dying
ecology
environment
forest
grass
gray
hardwood
hiking
hollow
horizontal
insect
lifeless
log
lumber
multitude
nature
obsolete
rotten
rough
rugged
rural
science
shabby
split
springtime
stump
termite
textured
timber
tree
trunk
wildlife
wood