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أروع العجائب الهندسية : القبة الأكبر في العالم | National Geographic

الابتكارات الهندسية المستخدمة في بناء الملعب الوطني في سنغافورة الذي سجل رقماً قياسياً لاحتوائه على أضخم قُبة قابلة للسحب في العالم



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