Shortly after 9/11, MIT dedicated the “Reflecting Wall,” representing a piece of the WTC exterior. Community members left flowers and prayers, as seen in this Sept. 18, 2001 file photo.

Henry Hilton—Tech File Photo

Shortly after 9/11, MIT dedicated the “Reflecting Wall,” representing a piece of the WTC exterior. Community members left flowers and prayers, as seen in this Sept. 18, 2001 file photo. Henry Hilton—Tech File Photo