موهنيزي ، سويست ، شمال الراين وستفاليا ، الكنسي ، ألمانيا ، شتاء ، ماء ، توليد الوقود والطاقة ، كهرباء ، طاقة هيدروالكترونية ، المناظر الطبيعيه
الصور ذات الصلة الخالية من حقوق الملكية
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