كوخ الحفظ ، مشاهدة الطيور ، كوخ المراقبة ، حقول الصرف ، حماية الطيور ، التربية البيئية ، شمال الراين وستفاليا ، مراقبة الطبيعة ، المشهد الريفي ، نجيل ، خشب
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
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