What was a key cultural contribution of the Roman Empire during its height?

The Roman Empire made significant advancements in engineering and architecture that have had a lasting influence on the world. During its height, the Romans developed innovative building techniques and materials, such as concrete, which allowed for the construction of impressive structures like the Colosseum, aqueducts, and extensive road networks. These engineering feats not only served practical purposes, such as improving transportation and public health through aqueducts, but they also demonstrated the empire's power and sophistication. The architectural principles developed during this period, such as the use of arches, vaults, and domes, influenced countless structures in later civilizations and can still be seen in modern architecture today. This emphasis on engineering and monumental architecture was a key cultural contribution that showcased the ingenuity and capabilities of the Roman civilization.