https://guidigo.blob.core.windows.net/studio-tour-publish/tourthumb94b1b5e0-c01b-43d4-9a9f-a20192098f54cover-428px.jpeg?sv=2015-12-11&sr=c&sig=3pQqCADXMz0XAgLkHGzLBSBi88onjluK6HvCkVDqPew%3D&se=2021-03-03T23%3A15%3A47Z&sp=rBattle of Knoxville AR TourThis AR tour takes you through the Battle of Knoxville, overlaying historical photos on the very spot where they were taken.