What happens when Arlington National Cemetery runs out of space?

Members of the Old Guard Pvt. Brandon Hyer, left, from Kansas City, Kan., and Pvt. Brad Dixon of Baltimore, Md., place flags in front of every headstone at Arlington National Cemetery in Arlington, Va., Thursday, May 26, 2016. Soldiers were to place nearly a quarter of a million U.S. flags at the cemetery as part of a Memorial Day tradition. (AP Photo/Susan Walsh)

Arlington National Cemetery is at a critical point for space.

So what happens when it actually runs out?

Watch the video above from ABC7's Tim Barber for more.

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