Ralph Diehl wrote:
Well, if you take a look at St. Paul's cathedral, there is a very
good shadow to work with.

Except that you can't see how long it is, because it ends somewhere in
Newgate Street which is in shadow from nearer buildings, and also
there's a join there between two photographs.

--
Richard J.
(to e-mail me, swap uk and yon in address)