It took six years of scaffolding and $60 million, but a nearly 80-year-old, Art Deco building downtown is back in business as a regional federal headquarters.

The project not only restores a historic building but also is an example of trends in federal real estate management, said Shyam Reddy, U.S. General Services Administration’s regional administrator.

Recycled materials, outdoor seating areas, planters with trees, sustainable energy sources and historic preservation are elements the government required in the renovation of the Martin Luther King Jr. Federal Building, once a U.S. Post Office, at 77 Forsyth Street

The AJC looks at what the new trends in federal real estate are – and why it matters in Atlanta. It's a story you'll get only by picking up a copy of The Atlanta Journal-Constitution or logging on to the paper's iPad app . Subscribe today .