A single blue balloon floating above a massive construction site in North Texas is offering a glimpse of what’s to come as AT&T prepares to transform 54 acres into its new corporate headquarters.
The balloon, visible along Legacy Drive in Plano, marks the future location of a 250-foot cell tower that will become a centerpiece of the telecommunications giant’s new campus.
AT&T officials placed the balloon at the site ahead of Thursday’s groundbreaking to illustrate the height and location of the tower, which will be topped with the company’s blue logo…