Restoration work in 2011, plus a new religious order is transforming the Mission of Our Lady of Angels Catholic Church. The church and adjacent grammar school was the site of one of Chicago’s great tragedies. A 1958 fire killed 92 children and three nuns. (Antonio Perez, Chicago Tribune) Published: December 25, 2011. For more video, visit http://chicagotribune.com/video, subscribe to this channel, or follow us @TribVideo.