Johnny Rath (via Twitter) is doing my job for me. He's written an eloquent request which stands as a poem in itself.
Weave the trees on the banks of the Thames
and their roots through your tale.
They will have seen many sights and heard many sounds
impassively as royalty & criminals alike
pass down the river,
On Temple Bar,
narrow streets full of refuse,
cobbled streets and
beneath the shaded boughs.