10 أجمل درج من حول العالم
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2. Spiral Staircase at the Vatican Museum (Italy)
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3. Loretto Chapel Staircase (USA)
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4. Tulip Staircase at the Queen's House (England)
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6. San Francisco's Tiled Steps - World's Longest Mosaic Stair (USA)
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7. Umschreibung - KPMG Building Munich (Germany)
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8. Stairs at the Longchamp Store (New York)
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9. Vertigo Staircase at the QVB Building (Australia)
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10. Bridge-stair at the Traversinertobel (Switzerland)
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