A staple part of downtown Dallas will be ancient history come September.
A chain-link fence is around the perimeter of the building and large trash bins are in place.
The DMN also reports, Reunion's JumboTron will be the first thing to go on Wednesday.
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The outside walls will be imploded in June.
The rest of the structure should come down by September.
Construction began on Reunion Arena back in 1978 and it was officially opened in April, 1980.
The building was once the home of the Dallas Mavericks and Dallas Stars before the teams moved over to the American Airlines Center.
Reunion was a hub of activity during 2005 when it became one of the main American Red Cross shelters during Hurricanes Katrina and Rita.
The city is expected to hold a news conference Wednesday or Friday to announce the entire demolition schedule.