Danish Clothier Christian Troelstrup and the Building He Covered with over

This picture preserves a moment few cameras ever caught — Danish clothier Christian Troelstrup and the building he covered with over a thousand coats to attract buyers. It is the kind of image that turns a line in a history book into something you can actually see.

Photography has only existed since 1839, which means the camera-recorded past is a narrow window — and every surviving frame from it is a small act of preservation, whether the photographer knew it or not.

Most photography of the period chased celebrities and headlines, which makes surviving images of daily routine all the more precious. This is what the world actually looked like when nobody thought it was worth remembering.