Modern Marvels - 2x05 - Domed Stadiums- Followmy.tv

In cities with hostile weather, they keep the big game excitement in and the unwanted elements out. Retractable roofs, the cutting edge in stadium design: they slide on rails, roll on wheels, or move on pulleys. These state-of-the-art coverings allow teams to adapt to the climate in a matter of minutes, making weather delays a thing of the past.