مدينة ، سماء ، دخان ، سحاب ، الهيكل المادي ، التلوث ، توليد الوقود والطاقة ، صناعة ، خطر ، تلوث الهواء ، مصنع
Public Domain
علامات الصورة:
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
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