The Coliseum is one of the most imposing ancient structures. Imagine it all white, completely covered in splendid travertine stone slabs. It is elliptic in shape in order to hold more spectators. It had four floors; the first three had eighty arches each; the arches on the second and third floors were decorated with huge statues.
What we see nowadays is just the skeleton of what was the greatest arena in the ancient world. Three-fifths of the outer surrounding brick wall are missing.
Roman Colosseum, Rome, Italy
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