The roof of the National Stadium in Warsaw, designed by GMP Architekten, is conceived as a lightweight structural system spanning a large-scale public interior. The roof is suspended from a peripheral steel cable net and stabilized by freestanding columns with inclined tie rods, allowing the stadium bowl to remain visually open and free of internal supports. At the center of the structure, a retractable textile membrane is integrated into the cable system. When deployed, it provides weather prot

92K views · 1K reactions | In 1989, Rogers Centre changed stadium design forever. The world’s first stadium with a fully retractable roof — long before this technology became standard. Today, many stadiums follow this idea… but Toronto did it first. What do you think — visionary or overengineered? Follow us @sportsrender  Michael Nguyen  Toronto Blue Jays  rage2amg  A Al-Den #football #stadium #estadio #architecture #engineering | SportsRender | Facebook

7.7K views · 73 reactions | This is how Retractable Roofs are...