A city covered in smog with a single person standing on a mountaintop looking down

Related tags:

• air quality
• air pollution
• awareness
• contrast
• pollution
• action
• environmental pollution
• city silhouette
• perspective
• silhouette
• hope
• background health
• scale
• climate
• smog
• health
• city
• background city
• bg
• change
• action background
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