Mystery Stains Discolor Retractable Roof at Houston’s Minute Maid Park

The state-of-the-art retractable roof on Houston’s Minute Maid Park is a lot less dazzling today than during its debut just over three years ago. An as-yet unidentified organism is growing on the exterior of the roof, and the stadium’s principal residents, the Houston Astros, are calling on the manufacturer to correct the problem. More...

Mystery Stains Discolor Retractable Roof at Houston’s Minute Maid Park