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viewimageM.php?id=train&no=29bcc427b38577a16fb3dab004c86b6fb8c469a51a456a5484032bed7605cfea7b9283b3fc51bb7d100983ccf4cc42b53c1364d2e454815f0bbad46f08e6333890

100년도 더된 다리를 건너는건 않위험한거 둘째치고

저런 기차다리는 어떻게 놓았을까 100년전에...
보통 철로는 한번깔면 수명이 어케됨?