Most surviving roman structures is what?
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Theatre of ancient Rome refers to the time period of theatrical practice and performance in Rome beginning in the 4th century B.C., following the state’s transition from monarchy to republic.[1] Theatre of the era is generally separated into the genres of tragedy and comedy. Some works by Plautus, Terence, and Seneca the Younger survive to this day. Eventually, theatre would represent an important aspect of Roman society because it would come to function as the primary means through which the Roman people could express their political emotions during the republican and imperial periods of Rome.[2]

1.The Roman colosseum
2. Pantheon
3. Amphitheater
4. Diocletians palace