An Austin-based real estate firm wants to transform this 40-year-old retail center at South Lamar Boulevard and Loop 360 into a modern, mixed-use development. Gone would be acres of surface parking lots, replaced by tall towers of up to 25 stories, interspersed with trees and parks. In this exclusive story, developers talk about the thought that went into the design. Plus, you’ll find details about the timeline, companies involved and some environmental concerns.