John Portman & Associates Inc. on Tuesday released renderings for its project to create a "Welcome Plaza" at Hartsfield-Jackson Atlanta International Airport. Portman says of the 70,642-square-foot project: "As an appropriate welcoming space for the world's busiest airport, a connection to the west side of the terminal is created via a pedestrian plaza beneath a canopy. This pleasant covered arcade features landscaping, hardscape and water features. A cozy café offers indoor and outdoor...