Construction

“Architecture is the learned game, correct and magnificent, of forms assembled in the light.” — Le Corbusier

Advanced construction techniques — arches, vaults, and engineered foundations — allowed civilisations to build structures of unprecedented scale and complexity. Grand public works became both symbols of power and practical engines of prosperity.

Unlocks

• Buildings: Workshop

Historical Background

While basic building techniques are as old as civilisation itself, the Classical era saw the development of construction as an engineering discipline. The Romans, above all, elevated construction to an art and a science. Roman concrete (opus caementicium), invented around 300 BCE, was a revolutionary material — stronger, more versatile, and more durable than cut stone. The Pantheon’s unreinforced concrete dome, completed in 125 CE, remains the largest of its kind nearly two thousand years later.

The arch, perfected by Roman engineers, allowed the construction of bridges, aqueducts, and vaulted ceilings that earlier civilisations could not have imagined. Roman roads — engineered with multiple layers of gravel, sand, and paving stones — spanned the empire and remained the best in Europe for over a thousand years after Rome’s fall. Construction expertise gave states the ability to build workshops, fortifications, and infrastructure that amplified their economic and military power far beyond what raw resources alone could achieve.