Work crew posing in front of a partially constructed rail tunnel
Hover over a section of the photo to display an enlargement of the area.
Positioning the cursor over the top left area will reveal what appears to be a fresh grave. A work-related fatality perhaps?
Enlargement of the tunnel area shows laborers with a horse-drawn cart to haul away debris. Three engineers, one with his dog, appear in the foreground. Their attire (and umbrella) suggest British origin.