江戸時代に 造られたトンネルは
壊れることなく 残っています
今の隧道は 寿命が短いんだよなあ
土木建築技術を 見直すべきですね
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◆1

2015/07/05 11:36:32
α7
R
15mm F2.8 DG FISHEYE
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◆2

2015/07/05 11:37:48
α7
R
15mm F2.8 DG FISHEYE
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◆3

2015/07/05 11:39:55
α7
R
15mm F2.8 DG FISHEYE
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◆4

2015/07/05 11:46:32
α7
R
15mm F2.8 DG FISHEYE
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◆5

2015/07/05 11:57:17
α7
R
15mm F2.8 DG FISHEYE
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◆6

2015/07/05 11:59:19
α7
R
15mm F2.8 DG FISHEYE
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