abandoned
cathode ray tube
communication
concepts
crime
crt
damaged
dumping
education
environment
environmental conservation
environmental damage
environmental issues
fly tipping
forbidden
forbidden city
garbage
garbage dump
grass
illegal
information sign
junkyard
law
message
nature
no dumping
nonurban scene
old
placard
plant bark
pollution
prohibition
ruined
rural scene
screen
sign
television
television industry
toxic waste
warning sign
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