🏗️ La Sagrada Familia, a masterpiece by Antoni Gaudí, still under construction after more than a century! With completion expected in 2026, this iconic church in Barcelona uses complex shapes like hyperboloids, parabolas, and helicoids to create a thinner, more efficient structure that enhances acoustics and light. Gaudí’s innovative approach to design was brought to life through plaster models, including a detailed 1:10 scale of the central nave. A true architectural wonder that keeps evolvi