Hugh, there are quite a few reports of it on-line and some discussion on here buried in old threads. Look at this:
http://realcycling.blogspot.co.uk/2009/04/cycling-above-and-below-thames-at.html
Quite a bit of discussion of it here:
https://www.lfgss.com/thread21084.html https://www.lfgss.com/thread70039.html
@Oliver Schick started
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Hugh, there are quite a few reports of it on-line and some discussion on here buried in old threads. Look at this:
http://realcycling.blogspot.co.uk/2009/04/cycling-above-and-below-thames-at.html
Quite a bit of discussion of it here:
https://www.lfgss.com/thread21084.html
https://www.lfgss.com/thread70039.html