explosion
abandoned
accident
atomic
background
catastrophe
caution
chernobyl
chernobyl disaster
chernobyl zone
chornobyl
contamination
danger
decay
deserted
desolate
disaster
ecology
energy
environment
exclusion
exclusion zone
forest
hazard
industry
irradiated
nature
nuclear
pollution
power plant
pripyat
radiation
radiation sign
radioactive
railroad
railway
red forest
risk
ruin
safety
sign
soviet
symbol
toxic
transport
triangle
ukraine
warning
yellow
zone