"The design of the new Cowboys Stadium in Dallas was meant to provide the winning combinations of a larger, more technologically and environmentally advanced sports venue than the team’s previous home while re-creating the iconic “hole-in-the-roof” design of the former facility. But the new stadium—which features the largest single-span roof structure in the world—also adds a mechanized twist to the story: the opening in the new stadium’s roof can be closed via a pair of massive retractable panels..."