32K views · 156 reactions | From the world's biggest plane and largest free-spanning dome, watch as SuperStructures: Engineering Marvels reveals the most extraordinary engineering feats in the world. | National Geographic Africa | Facebook

188K views · 6K reactions | The International Space Station (ISS) uses radio waves to connect to Earth—and the science behind it is out of this world ️ Superstructures: Engineering Marvels is now streaming on Disney+ and Hulu. | National Geographic TV | Facebook

✅Substructure Vs Superstructure 📌Location: Substructure :Below Ground Level Superstructure:Above Ground Level 📌Components: Substructure :Foundations (Footings, Piles), Piers, Abutments Superstructure:Walls, Floors, Roofs, Columns, Beams 📌Function Substructure :Transfers Loads From The Superstructure To The Soil Superstructure:Supports And Provides Space For Occupancy 📌Visibility Substructure :Generally Not Visible After Construction Superstructure:Visible Part Of The Building 📌Construction