The Henry Art Gallery owns all 30 of Allan Sekula's WTO protest photographs, and is only showing 10 because of limited wall space on the mezzanine. Then don't use the mezzanine! The full set should be up.

That complaint aside, even with just 10 we get a chance to see how heroically Sekula set out to be Zen about the protests. Meaning: he didn't want to overlay anything on the scene. He wanted to see it.

That meant shots like the one above, where absolutely everything is glass and nothing is direct—so different from smoke-and-carnival shots that it stands out as a moment of unsettling silence. Because the businessmen are behind glass, we're extra-aware that the photographer is behind the glass of the camera's lens. The photograph is disturbing precisely because it so aggressively suppresses physical contact, perfectly capturing the fear of it erupting.

On display with the photographs is Sekula's letter describing how he thought about this work. It says: