 There was no letdown a year after Atlanta lost its bid for the second headquarters of Amazon.com Inc. New projects, which were once part of the states pitch to land Amazons HQ2, found other tech giants to anchor them. The Beltline, one of the countrys largest urban redevelopment efforts, became an even more powerful catalyst for changing the autocentric development ethos across Atlanta. Atlanta, once known for sprawling out, continued to fill in. 