Thank you for adding the photographs. There is a memorial to Lieutenant Colonel McCrae in a reconstructed part of the trench line where he wrote “In Flanders’s Field.” It is on the outskirts of the city of Ypres.
See also:
http://en.wikipedia.org/wiki/In_Flanders_Fields
http://www.youtube.com/watch?v=6e4jqTF6aks
In Flanders’ Field, the poppies grow.... See my original post.