chinese pollution haze

air apocalypse architecture asia asian background bad blur breathe building china chinese city cityscape climate dark desert dirty disaster downtown drought dry dust earth ecology economy emission environment environmental extreme fog foggy gas hazard hazardous haze health hot industry landscape metropolis mist misty modern mongolia natural nature outdoor pm2 poison polluted pollution problem prosperty residence residential roof sandstorm sandy scenic season sky skyline skyscraper smog street summer sunlight sunrise sunset threatening tower toxic travel unhealthy urban view visibility wind yellow