civilext on Instagram: "Engineering meets art 🎭 That’s how the iconic Sydney Opera House was built – a masterpiece on the water 🌊” Would you love to see more construction wonders? 🔨✨ Follow for more! #SydneyOperaHouse #EngineeringMarvel #ConstructionWonders #CivilEngineering #ArchitectureLovers #MegaProjects #EngineeringFacts #IconicStructures"

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History Photographed on Instagram: "The magnificent central bronze doors of the Archbasilica of Saint John Lateran in Rome are nearly 2,000 years old, but they were not originally built for the church. ⁠ ⁠ The doors were repurposed from the ancient Roman Senate House, known as the Curia Julia, and moved to the basilica in the 17th century.⁠ ⁠ Today, these monumental doors serve as the main entrance to the basilica. ⁠ ⁠ Despite their age and immense weight, they are so precisely balanced that a s

Chongqing Fenglai Bridge: The Longest Steel-Frame Arch