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A detail of Opera 15. The two embrasures and the grass on the roof make it look like a human face. Note the protruding walls that had to protect the flanking embrasures against frontal fire. |
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A detail of Opera 15. The two embrasures and the grass on the roof make it look like a human face. Note the protruding walls that had to protect the flanking embrasures against frontal fire. |