Roman civil engineering and military engineering constituted a large part of Rome's technological superiority and legacy, and contributed to the construction of hundreds of roads, bridges, aqueducts, baths, theaters and arenas. Many monuments, such as the Colosseum, Pont du Gard, and Pantheon, remain as testaments to Roman …show more content…
Concrete was invented in the late 3rd century BC. It was a powerful cement derived from pozzolana, and soon supplanted marble as the chief Roman building material and allowed many daring architectural schemata.
Also in the 1st century BC, Vitruvius wrote De architectura, possibly the first complete treatise on architecture in history. In late 1st century BC, Rome also began to use glassblowing soon after its invention in Syria about 50 BC. Mosaics took the Empire by storm after samples were retrieved during Lucius Cornelius Sulla's campaigns in Greece.
Concrete made possible the paved, durable Roman roads, many of which were still in use a thousand years after the fall of Rome. The construction of a vast and efficient travel network throughout the Empire dramatically increased Rome's power and influence. It was originally constructed to allow Roman legions to be rapidly deployed. But these highways also had enormous economic significance, solidifying Rome's role as a trading crossroads - the origin of the saying "all roads lead to Rome". The Roman government maintained way stations that provided refreshments to travelers at regular intervals along the roads, constructed bridges where necessary, and established a system of horse relays for couriers that allowed a dispatch to travel up to 800 kilometers (500 mi) in 24