"The Romans were not inventors of the supporting arch, but its extended use in vaults and intersecting barrel shapes and domes is theirs"

The quote by Harry Seidler is describing the use of the arch by the Romans. The arch was not invented by the Romans, however they were the very first to utilize it thoroughly in their architecture. The Romans utilized the arch in vaults, barrel shapes, and domes, which enabled them to produce big, excellent structures. This usage of the arch was a significant contribution to the advancement of architecture and engineering. The arch permitted the Romans to produce structures that were strong and resilient, and might withstand the test of time. The arch was likewise used to create aesthetically pleasing structures, which assisted to develop the renowned Roman architecture that is still appreciated today. The Romans' use of the arch was a major contribution to the development of architecture and engineering, and is still used in modern architecture today.