BCN Marathon Challenge 2013: Summit Tunnel on the BCN Old Main Line 473' level, carrying two busy roads over the canal.. Birmingham Canal Navigation, United Kingdom, on 25 May 2013 at 09:33, image #109

Photo 1305250933031D42264HaraldJoergens
BCN Marathon Challenge 2013: Summit Tunnel on the BCN Old Main Line 473' level, carrying two busy roads over the canal.. Birmingham Canal Navigation, United Kingdom, on 25 May 2013 at 09:33, image #109

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