الجمهور ، قاعة محاضرات ، مؤتمر ، حدث ، محاضرة ، ندوة ، عرض ، ميكروفون ، مركز المؤتمرات ، كرسي ، خطاب
Public Domain
علامات الصورة:
الصور ذات الصلة الخالية من حقوق الملكية
- Public Domain
- Public Domain
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