Keywords: Construction of vertical shaft Kammon railway tunnel.jpg ja 関 トンネル建設工事用の立 建設 業 en Construction of vertical shaft Kammon railway tunnel before 1943 海底死闘六年関 トンネル Ministry of Railways Japan / 鉄道 other versions Custom license marker 2015 06 01 PD-Japan-oldphoto Kanmon Railway Tunnel Uploaded with UploadWizard |