Last February, whilst in the midst of my winter malaise, I travelled to Portland via Amtrak's Cascades train to visit Matthew Stadler's Publication Studio and celebrate the launch of his novel Chloe Jarren's La Cucaracha. While slowing through the Peace Arch border crossing I noticed what looked like a work of public art.

A project of the Lead Pencil Studio, "Non-Sign II" takes the billboard as its referent (and the "non-sites" of Robert Smithson?). However, instead of an image, we are given a window. What you see "in" that window depends on your perspective. As I was on the train, this is what I saw: