WORLD HISTORY

Detailed explanation-1: -The invention of opus caementicium initiated the Roman architectural revolution, allowing for builders to be much more creative with their designs. Since concrete takes the shape of the mold or frame it is poured into, buildings began to take on ever more fluid and creative shapes.

Detailed explanation-2: -Roman Architectural Innovations Most important among the structures developed by the Romans themselves were basilicas, baths, amphitheaters, and triumphal arches. Unlike their Greek prototypes, Roman theaters were freestanding structures. The auditorium was semicircular, with movable seats at the orchestra level.

Detailed explanation-3: -The Greeks tended to build small, simple structures, while the Romans favored large, ornate buildings. The Greeks used columns to support their roofs, while the Romans employed arches. Greek architecture is more graceful and fluid, while Roman architecture is more imposing and grandiose.

Detailed explanation-4: -What was it famous for? Ancient Roman architecture used new materials, particularly concrete, and newer technologies such as the arch and the dome to make buildings that were typically strong and well-engineered. Large numbers remain in some form across the empire, sometimes complete and still in use to this day.

Detailed explanation-5: -Roman architecture developed the use arches and vaults in architecture. While Roman architecture may not have invented the arch or the vault, they certainly perfected them. These architectural forms allowed Roman architects to create large roofed structures without a reliance on pillars.