Hidden in World Trade Center Steel: a Face?

You might not believe it, but it's pretty wild all the same: From the wreckage of the 9/11 attacks on the Twin Towers emerged two pieces of "impact steel"—twisted remnants of the exact spot of the North Tower where the plane hit, per experts. One of them is being prepped for inclusion in the National Sept. 11 Memorial & Museum, and, according to some museum workers, a face can be seen in it—some call it the "Angel of 9/11." NBC New York reports that a museum source says not everyone can see the face, which can be more apparent depending on the lighting and angle. See a zoomed-in look at it here. (More 9/11 attacks stories.)