sport stadium called avangard in abandoned town pripyat overgrown by trees and bushes. chernobyl exclusion zone. ukraine

abandoned accident apocalyptic architecture avangard building bushes called chernobyl city contaminated contamination danger destruction disaster ecology empty exclusion ghost hazard hazardous industrial infrastructure lost nature nuclear old outdoor overgrown place polluted pollution post pripyat pripyatukraine prypiat radioactive radioactivity sign soviet sport stadium stalker town travel trees ukraine union urban zone