co2 ، التلوث ، القارات ، غازات العادم ، تغير المناخ ، عالمي ، الانبعاثات ، بيئة ، مناخ ، حماية البيئة ، علم البيئة
Public Domain
علامات الصورة:
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
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