Photographer Keith Goldstein never found lower Manhattan that interesting to look at until he noticed where New Yorkers and tourists themselves were looking — up, where the new World Trade Center building towers over the city and the memory of 9/11 attacks.

“I think with this project what I wanted to do was capture peoples emotions of grief, despair, happiness, awe, longing, hoping — as many diverse emotions as there are people,” says Goldstein, who prefers to photograph the looks on bystanders’ faces without detection. To do this, he uses a small camera, often snapping his photos without even glancing through the viewfinder at his subjects.

“One would almost call it a drive-by,” he says, “except I walk by.”