The architectural elements on the exterior of Rome's Colosseum are decorative and inspired by the ancient Greek Parthenon. Name three architectural features inspired by ancient Greece, and one that is a distinctly Roman innovation.

The Ancient Greek structure mostly has these features

The temple - This was the building and abode in which their gods were kept.

The town council building (bouleuterion),

The public monument such as monumental tombs (mausoleum) - Burial sites for people.

Roman inventions include

Amphitheater - This was an arena where sport such as combats were watched by its citizens.