The Colosseum was one of the key sights on the Grand Tour of the 18th century.
Arch of ConstantineHadrian lion-hunting left and sacrificing rightabove a section of the Constantinian frieze, showing the contrast of styles. Stertinius in Rome BCE - but later examples were often protected by steps.
Rarely were marble and fine stone blocks used as this was too expensive. Works are often signed by the craftsman, who may be foreign or Roman.
To build their open-air theaters, the Greeks had scooped out the sides of hills, using the hills to support the sloping tiers of seats. A system of perspective was known and used by the Romans. In addition, even for those who could not afford their own art, there was the provision of public art galleries.
The material had a thick consistency when prepared and so was laid not poured like modern concrete. Like architecture, a good deal of Roman sculpture was created to serve a purpose: namely, to impress the public - be they Roman citizens or 'barbarians' - and communicate the power and majesty of Rome.
Roman architecture during the age of the Republic knowledge of which derives largely from the 1st-century Roman architect Vitruvius discovered the round temple and the curved arch but, after the turn of the Millennium, Roman architects and engineers developed techniques for urban building on a massive scale.
An Etruscan speciality was near life size tomb effigies in terracottausually lying on top of a sarcophagus lid propped up on one elbow in the pose of a diner in that period. Towards the end of the Roman Empire, sarcophagi became an important medium for Christian-Roman Art onwards.
Thus when commemorating a battle, for example, the artwork used would be executed in a realistic - almost "documentary" style.