URL：https://get.pxhere.com/photo/snow-winter-vapor-steam-city-skyscraper-cityscape-downtown-transport-environment-construction-vehicle-weather-chimney-station-industrial-factory-season-tower-block-public-transport-manufacturing-living-power-mill-beijing-production-pollution-facility-refinery-fuel-chemical-powerplant-neighbourhood-occupation-urban-area-residential-area-metropolitan-area-toxicity-1153542.jpg
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