Superimposed red line marking the axis between the Thiepval arch (east) and the River Ancre (west) in the Somme region.
Note the persistent marks of trench systems below the cultivation.
Early evening in late August 2009 and the sun is almost coinciding with the east/west axis. The light glances off surfaces and catches exposed corners.
The Thiepval Arch, The Memorial to the Missing of the Somme. Inscribed with the names of 73,357 British soldiers of the Somme campaign whose remains were not identified. Unveiled August 1932. Architect: Edwin Lutyens.
More pictures of Thiepval in August: Photoset