Civil engineering is one of the oldest and most essential branches of engineering, focused on the design, construction, and maintenance of the built environment. This includes infrastructure such as roads, bridges, buildings, dams, airports, and water supply systems. Civil engineers play a critical role in shaping the world around us, ensuring structures are safe, sustainable, and efficient. By applying principles of physics, mathematics, and material science, civil engineering contributes to economic development and enhances the quality of life for communities around the globe.